16814847640

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^2\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:306

約数の個数: 192

約数和(自身を含む): 40692663360

約数和(自身を除く): 23877815720

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 61, 62, 71, 101, 122, 124, 142, 155, 202, 244, 248, 284, 305, 310, 355, 404, 488, 505, 568, 610, 620, 710, 808, 961, 1010, 1220, 1240, 1420, 1891, 1922, 2020, 2201, 2440, 2840, 3131, 3782, 3844, 4040, 4331, 4402, 4805, 6161, 6262, 7171, 7564, 7688, 8662, 8804, 9455, 9610, 11005, 12322, 12524, 14342, 15128, 15655, 17324, 17608, 18910, 19220, 21655, 22010, 24644, 25048, 28684, 30805, 31310, 34648, 35855, 37820, 38440, 43310, 44020, 49288, 57368, 58621, 61610, 62620, 68231, 71710, 75640, 86620, 88040, 97061, 117242, 123220, 125240, 134261, 136462, 143420, 173240, 190991, 194122, 222301, 234484, 246440, 268522, 272924, 286840, 293105, 341155, 381982, 388244, 437431, 444602, 468968, 485305, 537044, 545848, 586210, 671305, 682310, 763964, 776488, 874862, 889204, 954955, 970610, 1074088, 1111505, 1172420, 1342610, 1364620, 1527928, 1749724, 1778408, 1909910, 1941220, 2187155, 2223010, 2344840, 2685220, 2729240, 3499448, 3819820, 3882440, 4162091, 4374310, 4446020, 5370440, 5920721, 6891331, 7639640, 8324182, 8748620, 8892040, 11841442, 13560361, 13782662, 16648364, 17497240, 20810455, 23682884, 27120722, 27565324, 29603605, 33296728, 34456655, 41620910, 47365768, 54241444, 55130648, 59207210, 67801805, 68913310, 83241820, 108482888, 118414420, 135603610, 137826620, 166483640, 236828840, 271207220, 275653240, 420371191, 542414440, 840742382, 1681484764, 2101855955, 3362969528, 4203711910, 8407423820, 16814847640]

約数ペア:

[(1, 16814847640), (2, 8407423820), (4, 4203711910), (5, 3362969528), (8, 2101855955), (10, 1681484764), (20, 840742382), (31, 542414440), (40, 420371191), (61, 275653240), (62, 271207220), (71, 236828840), (101, 166483640), (122, 137826620), (124, 135603610), (142, 118414420), (155, 108482888), (202, 83241820), (244, 68913310), (248, 67801805), (284, 59207210), (305, 55130648), (310, 54241444), (355, 47365768), (404, 41620910), (488, 34456655), (505, 33296728), (568, 29603605), (610, 27565324), (620, 27120722), (710, 23682884), (808, 20810455), (961, 17497240), (1010, 16648364), (1220, 13782662), (1240, 13560361), (1420, 11841442), (1891, 8892040), (1922, 8748620), (2020, 8324182), (2201, 7639640), (2440, 6891331), (2840, 5920721), (3131, 5370440), (3782, 4446020), (3844, 4374310), (4040, 4162091), (4331, 3882440), (4402, 3819820), (4805, 3499448), (6161, 2729240), (6262, 2685220), (7171, 2344840), (7564, 2223010), (7688, 2187155), (8662, 1941220), (8804, 1909910), (9455, 1778408), (9610, 1749724), (11005, 1527928), (12322, 1364620), (12524, 1342610), (14342, 1172420), (15128, 1111505), (15655, 1074088), (17324, 970610), (17608, 954955), (18910, 889204), (19220, 874862), (21655, 776488), (22010, 763964), (24644, 682310), (25048, 671305), (28684, 586210), (30805, 545848), (31310, 537044), (34648, 485305), (35855, 468968), (37820, 444602), (38440, 437431), (43310, 388244), (44020, 381982), (49288, 341155), (57368, 293105), (58621, 286840), (61610, 272924), (62620, 268522), (68231, 246440), (71710, 234484), (75640, 222301), (86620, 194122), (88040, 190991), (97061, 173240), (117242, 143420), (123220, 136462), (125240, 134261)]