647835354920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{103}}^1\times {\mathrm{2389}}^1$

素因数の和:2660

約数の個数: 256

約数和(自身を含む): 1631070604800

約数和(自身を除く): 983235249880

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 61, 65, 83, 103, 104, 122, 130, 166, 206, 244, 260, 305, 332, 412, 415, 488, 515, 520, 610, 664, 793, 824, 830, 1030, 1079, 1220, 1339, 1586, 1660, 2060, 2158, 2389, 2440, 2678, 3172, 3320, 3965, 4120, 4316, 4778, 5063, 5356, 5395, 6283, 6344, 6695, 7930, 8549, 8632, 9556, 10126, 10712, 10790, 11945, 12566, 13390, 15860, 17098, 19112, 20252, 21580, 23890, 25132, 25315, 26780, 31057, 31415, 31720, 34196, 40504, 42745, 43160, 47780, 50264, 50630, 53560, 62114, 62830, 65819, 68392, 81679, 85490, 95560, 101260, 111137, 124228, 125660, 131638, 145729, 155285, 163358, 170980, 198287, 202520, 222274, 246067, 248456, 251320, 263276, 291458, 310570, 326716, 329095, 341960, 396574, 408395, 444548, 492134, 521489, 526552, 555685, 582916, 621140, 653432, 658190, 728645, 793148, 816790, 889096, 984268, 991435, 1042978, 1111370, 1165832, 1230335, 1242280, 1316380, 1457290, 1586296, 1633580, 1894477, 1968536, 1982870, 2085956, 2222740, 2460670, 2577731, 2607445, 2632760, 2914580, 3198871, 3267160, 3788954, 3965740, 4171912, 4445480, 4921340, 5155462, 5214890, 5829160, 6397742, 6779357, 7577908, 7931480, 9472385, 9842680, 10310924, 10429780, 12095507, 12795484, 12888655, 13558714, 15010087, 15155816, 15994355, 18944770, 20423561, 20621848, 20859560, 24191014, 25590968, 25777310, 27117428, 30020174, 31988710, 33896785, 37889540, 40847122, 48382028, 51554620, 54234856, 60040348, 60477535, 63977420, 67793570, 75050435, 75779080, 81694244, 96764056, 102117805, 103109240, 120080696, 120955070, 127954840, 135587140, 150100870, 157241591, 163388488, 195131131, 204235610, 241910140, 265506293, 271174280, 300201740, 314483182, 390262262, 408471220, 483820280, 531012586, 600403480, 628966364, 780524524, 786207955, 816942440, 975655655, 1062025172, 1245837221, 1257932728, 1327531465, 1561049048, 1572415910, 1951311310, 2124050344, 2491674442, 2655062930, 3144831820, 3902622620, 4983348884, 5310125860, 6229186105, 6289663640, 7805245240, 9966697768, 10620251720, 12458372210, 16195883873, 24916744420, 32391767746, 49833488840, 64783535492, 80979419365, 129567070984, 161958838730, 323917677460, 647835354920]

約数ペア:

[(1, 647835354920), (2, 323917677460), (4, 161958838730), (5, 129567070984), (8, 80979419365), (10, 64783535492), (13, 49833488840), (20, 32391767746), (26, 24916744420), (40, 16195883873), (52, 12458372210), (61, 10620251720), (65, 9966697768), (83, 7805245240), (103, 6289663640), (104, 6229186105), (122, 5310125860), (130, 4983348884), (166, 3902622620), (206, 3144831820), (244, 2655062930), (260, 2491674442), (305, 2124050344), (332, 1951311310), (412, 1572415910), (415, 1561049048), (488, 1327531465), (515, 1257932728), (520, 1245837221), (610, 1062025172), (664, 975655655), (793, 816942440), (824, 786207955), (830, 780524524), (1030, 628966364), (1079, 600403480), (1220, 531012586), (1339, 483820280), (1586, 408471220), (1660, 390262262), (2060, 314483182), (2158, 300201740), (2389, 271174280), (2440, 265506293), (2678, 241910140), (3172, 204235610), (3320, 195131131), (3965, 163388488), (4120, 157241591), (4316, 150100870), (4778, 135587140), (5063, 127954840), (5356, 120955070), (5395, 120080696), (6283, 103109240), (6344, 102117805), (6695, 96764056), (7930, 81694244), (8549, 75779080), (8632, 75050435), (9556, 67793570), (10126, 63977420), (10712, 60477535), (10790, 60040348), (11945, 54234856), (12566, 51554620), (13390, 48382028), (15860, 40847122), (17098, 37889540), (19112, 33896785), (20252, 31988710), (21580, 30020174), (23890, 27117428), (25132, 25777310), (25315, 25590968), (26780, 24191014), (31057, 20859560), (31415, 20621848), (31720, 20423561), (34196, 18944770), (40504, 15994355), (42745, 15155816), (43160, 15010087), (47780, 13558714), (50264, 12888655), (50630, 12795484), (53560, 12095507), (62114, 10429780), (62830, 10310924), (65819, 9842680), (68392, 9472385), (81679, 7931480), (85490, 7577908), (95560, 6779357), (101260, 6397742), (111137, 5829160), (124228, 5214890), (125660, 5155462), (131638, 4921340), (145729, 4445480), (155285, 4171912), (163358, 3965740), (170980, 3788954), (198287, 3267160), (202520, 3198871), (222274, 2914580), (246067, 2632760), (248456, 2607445), (251320, 2577731), (263276, 2460670), (291458, 2222740), (310570, 2085956), (326716, 1982870), (329095, 1968536), (341960, 1894477), (396574, 1633580), (408395, 1586296), (444548, 1457290), (492134, 1316380), (521489, 1242280), (526552, 1230335), (555685, 1165832), (582916, 1111370), (621140, 1042978), (653432, 991435), (658190, 984268), (728645, 889096), (793148, 816790)]