64297172680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{521}}^1\times {\mathrm{12491}}^1$

素因数の和:13055

約数の個数: 128

約数和(自身を含む): 164324764800

約数和(自身を除く): 100027592120

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 190, 247, 260, 380, 494, 520, 521, 760, 988, 1042, 1235, 1976, 2084, 2470, 2605, 4168, 4940, 5210, 6773, 9880, 9899, 10420, 12491, 13546, 19798, 20840, 24982, 27092, 33865, 39596, 49495, 49964, 54184, 62455, 67730, 79192, 98990, 99928, 124910, 128687, 135460, 162383, 197980, 237329, 249820, 257374, 270920, 324766, 395960, 474658, 499640, 514748, 643435, 649532, 811915, 949316, 1029496, 1186645, 1286870, 1299064, 1623830, 1898632, 2373290, 2573740, 3085277, 3247660, 4746580, 5147480, 6170554, 6495320, 6507811, 9493160, 12341108, 13015622, 15426385, 24682216, 26031244, 30852770, 32539055, 52062488, 61705540, 65078110, 84601543, 123411080, 123648409, 130156220, 169203086, 247296818, 260312440, 338406172, 423007715, 494593636, 618242045, 676812344, 846015430, 989187272, 1236484090, 1607429317, 1692030860, 2472968180, 3214858634, 3384061720, 4945936360, 6429717268, 8037146585, 12859434536, 16074293170, 32148586340, 64297172680]

約数ペア:

[(1, 64297172680), (2, 32148586340), (4, 16074293170), (5, 12859434536), (8, 8037146585), (10, 6429717268), (13, 4945936360), (19, 3384061720), (20, 3214858634), (26, 2472968180), (38, 1692030860), (40, 1607429317), (52, 1236484090), (65, 989187272), (76, 846015430), (95, 676812344), (104, 618242045), (130, 494593636), (152, 423007715), (190, 338406172), (247, 260312440), (260, 247296818), (380, 169203086), (494, 130156220), (520, 123648409), (521, 123411080), (760, 84601543), (988, 65078110), (1042, 61705540), (1235, 52062488), (1976, 32539055), (2084, 30852770), (2470, 26031244), (2605, 24682216), (4168, 15426385), (4940, 13015622), (5210, 12341108), (6773, 9493160), (9880, 6507811), (9899, 6495320), (10420, 6170554), (12491, 5147480), (13546, 4746580), (19798, 3247660), (20840, 3085277), (24982, 2573740), (27092, 2373290), (33865, 1898632), (39596, 1623830), (49495, 1299064), (49964, 1286870), (54184, 1186645), (62455, 1029496), (67730, 949316), (79192, 811915), (98990, 649532), (99928, 643435), (124910, 514748), (128687, 499640), (135460, 474658), (162383, 395960), (197980, 324766), (237329, 270920), (249820, 257374)]