19478468760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1\times {\mathrm{997}}^1$

素因数の和:1246

約数の個数: 256

約数和(自身を含む): 63351123840

約数和(自身を除く): 43872655080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 61, 68, 85, 102, 120, 122, 136, 157, 170, 183, 204, 244, 255, 305, 314, 340, 366, 408, 471, 488, 510, 610, 628, 680, 732, 785, 915, 942, 997, 1020, 1037, 1220, 1256, 1464, 1570, 1830, 1884, 1994, 2040, 2074, 2355, 2440, 2669, 2991, 3111, 3140, 3660, 3768, 3988, 4148, 4710, 4985, 5185, 5338, 5982, 6222, 6280, 7320, 7976, 8007, 8296, 9420, 9577, 9970, 10370, 10676, 11964, 12444, 13345, 14955, 15555, 16014, 16949, 18840, 19154, 19940, 20740, 21352, 23928, 24888, 26690, 28731, 29910, 31110, 32028, 33898, 38308, 39880, 40035, 41480, 47885, 50847, 53380, 57462, 59820, 60817, 62220, 64056, 67796, 76616, 80070, 84745, 95770, 101694, 106760, 114924, 119640, 121634, 124440, 135592, 143655, 156529, 160140, 162809, 169490, 182451, 191540, 203388, 229848, 243268, 254235, 287310, 304085, 313058, 320280, 325618, 338980, 364902, 383080, 406776, 469587, 486536, 488427, 508470, 574620, 608170, 626116, 651236, 677960, 729804, 782645, 814045, 912255, 939174, 976854, 1016940, 1033889, 1149240, 1216340, 1252232, 1302472, 1459608, 1565290, 1628090, 1824510, 1878348, 1953708, 2033880, 2067778, 2347935, 2432680, 2442135, 2660993, 3101667, 3130580, 3256180, 3649020, 3756696, 3907416, 4135556, 4695870, 4884270, 5169445, 5321986, 6203334, 6261160, 6512360, 7298040, 7982979, 8271112, 9391740, 9548269, 9768540, 10338890, 10643972, 12406668, 13304965, 15508335, 15965958, 18783480, 19096538, 19537080, 20677780, 21287944, 24813336, 26609930, 28644807, 31016670, 31931916, 38193076, 39914895, 41355560, 47741345, 53219860, 57289614, 62033340, 63863832, 76386152, 79829790, 95482690, 106439720, 114579228, 124066680, 143224035, 159659580, 162320573, 190965380, 229158456, 286448070, 319319160, 324641146, 381930760, 486961719, 572896140, 649282292, 811602865, 973923438, 1145792280, 1298564584, 1623205730, 1947846876, 2434808595, 3246411460, 3895693752, 4869617190, 6492822920, 9739234380, 19478468760]

約数ペア:

[(1, 19478468760), (2, 9739234380), (3, 6492822920), (4, 4869617190), (5, 3895693752), (6, 3246411460), (8, 2434808595), (10, 1947846876), (12, 1623205730), (15, 1298564584), (17, 1145792280), (20, 973923438), (24, 811602865), (30, 649282292), (34, 572896140), (40, 486961719), (51, 381930760), (60, 324641146), (61, 319319160), (68, 286448070), (85, 229158456), (102, 190965380), (120, 162320573), (122, 159659580), (136, 143224035), (157, 124066680), (170, 114579228), (183, 106439720), (204, 95482690), (244, 79829790), (255, 76386152), (305, 63863832), (314, 62033340), (340, 57289614), (366, 53219860), (408, 47741345), (471, 41355560), (488, 39914895), (510, 38193076), (610, 31931916), (628, 31016670), (680, 28644807), (732, 26609930), (785, 24813336), (915, 21287944), (942, 20677780), (997, 19537080), (1020, 19096538), (1037, 18783480), (1220, 15965958), (1256, 15508335), (1464, 13304965), (1570, 12406668), (1830, 10643972), (1884, 10338890), (1994, 9768540), (2040, 9548269), (2074, 9391740), (2355, 8271112), (2440, 7982979), (2669, 7298040), (2991, 6512360), (3111, 6261160), (3140, 6203334), (3660, 5321986), (3768, 5169445), (3988, 4884270), (4148, 4695870), (4710, 4135556), (4985, 3907416), (5185, 3756696), (5338, 3649020), (5982, 3256180), (6222, 3130580), (6280, 3101667), (7320, 2660993), (7976, 2442135), (8007, 2432680), (8296, 2347935), (9420, 2067778), (9577, 2033880), (9970, 1953708), (10370, 1878348), (10676, 1824510), (11964, 1628090), (12444, 1565290), (13345, 1459608), (14955, 1302472), (15555, 1252232), (16014, 1216340), (16949, 1149240), (18840, 1033889), (19154, 1016940), (19940, 976854), (20740, 939174), (21352, 912255), (23928, 814045), (24888, 782645), (26690, 729804), (28731, 677960), (29910, 651236), (31110, 626116), (32028, 608170), (33898, 574620), (38308, 508470), (39880, 488427), (40035, 486536), (41480, 469587), (47885, 406776), (50847, 383080), (53380, 364902), (57462, 338980), (59820, 325618), (60817, 320280), (62220, 313058), (64056, 304085), (67796, 287310), (76616, 254235), (80070, 243268), (84745, 229848), (95770, 203388), (101694, 191540), (106760, 182451), (114924, 169490), (119640, 162809), (121634, 160140), (124440, 156529), (135592, 143655)]