71623640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1$

素因数の和:201

約数の個数: 128

約数和(自身を含む): 186624000

約数和(自身を除く): 115000360

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 59, 62, 88, 89, 110, 118, 124, 155, 178, 220, 236, 248, 295, 310, 341, 356, 440, 445, 472, 590, 620, 649, 682, 712, 890, 979, 1180, 1240, 1298, 1364, 1705, 1780, 1829, 1958, 2360, 2596, 2728, 2759, 3245, 3410, 3560, 3658, 3916, 4895, 5192, 5251, 5518, 6490, 6820, 7316, 7832, 9145, 9790, 10502, 11036, 12980, 13640, 13795, 14632, 18290, 19580, 20119, 21004, 22072, 25960, 26255, 27590, 30349, 36580, 39160, 40238, 42008, 52510, 55180, 57761, 60698, 73160, 80476, 100595, 105020, 110360, 115522, 121396, 151745, 160952, 162781, 201190, 210040, 231044, 242792, 288805, 303490, 325562, 402380, 462088, 577610, 606980, 651124, 804760, 813905, 1155220, 1213960, 1302248, 1627810, 1790591, 2310440, 3255620, 3581182, 6511240, 7162364, 8952955, 14324728, 17905910, 35811820, 71623640]

約数ペア:

[(1, 71623640), (2, 35811820), (4, 17905910), (5, 14324728), (8, 8952955), (10, 7162364), (11, 6511240), (20, 3581182), (22, 3255620), (31, 2310440), (40, 1790591), (44, 1627810), (55, 1302248), (59, 1213960), (62, 1155220), (88, 813905), (89, 804760), (110, 651124), (118, 606980), (124, 577610), (155, 462088), (178, 402380), (220, 325562), (236, 303490), (248, 288805), (295, 242792), (310, 231044), (341, 210040), (356, 201190), (440, 162781), (445, 160952), (472, 151745), (590, 121396), (620, 115522), (649, 110360), (682, 105020), (712, 100595), (890, 80476), (979, 73160), (1180, 60698), (1240, 57761), (1298, 55180), (1364, 52510), (1705, 42008), (1780, 40238), (1829, 39160), (1958, 36580), (2360, 30349), (2596, 27590), (2728, 26255), (2759, 25960), (3245, 22072), (3410, 21004), (3560, 20119), (3658, 19580), (3916, 18290), (4895, 14632), (5192, 13795), (5251, 13640), (5518, 12980), (6490, 11036), (6820, 10502), (7316, 9790), (7832, 9145)]