66487980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{79}}^1\times {\mathrm{83}}^1$

素因数の和:200

約数の個数: 144

約数和(自身を含む): 206599680

約数和(自身を除く): 140111700

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 79, 83, 130, 156, 158, 166, 169, 195, 237, 249, 260, 316, 332, 338, 390, 395, 415, 474, 498, 507, 676, 780, 790, 830, 845, 948, 996, 1014, 1027, 1079, 1185, 1245, 1580, 1660, 1690, 2028, 2054, 2158, 2370, 2490, 2535, 3081, 3237, 3380, 4108, 4316, 4740, 4980, 5070, 5135, 5395, 6162, 6474, 6557, 10140, 10270, 10790, 12324, 12948, 13114, 13351, 14027, 15405, 16185, 19671, 20540, 21580, 26228, 26702, 28054, 30810, 32370, 32785, 39342, 40053, 42081, 53404, 56108, 61620, 64740, 65570, 66755, 70135, 78684, 80106, 84162, 85241, 98355, 131140, 133510, 140270, 160212, 168324, 170482, 196710, 200265, 210405, 255723, 267020, 280540, 340964, 393420, 400530, 420810, 426205, 511446, 801060, 841620, 852410, 1022892, 1108133, 1278615, 1704820, 2216266, 2557230, 3324399, 4432532, 5114460, 5540665, 6648798, 11081330, 13297596, 16621995, 22162660, 33243990, 66487980]

約数ペア:

[(1, 66487980), (2, 33243990), (3, 22162660), (4, 16621995), (5, 13297596), (6, 11081330), (10, 6648798), (12, 5540665), (13, 5114460), (15, 4432532), (20, 3324399), (26, 2557230), (30, 2216266), (39, 1704820), (52, 1278615), (60, 1108133), (65, 1022892), (78, 852410), (79, 841620), (83, 801060), (130, 511446), (156, 426205), (158, 420810), (166, 400530), (169, 393420), (195, 340964), (237, 280540), (249, 267020), (260, 255723), (316, 210405), (332, 200265), (338, 196710), (390, 170482), (395, 168324), (415, 160212), (474, 140270), (498, 133510), (507, 131140), (676, 98355), (780, 85241), (790, 84162), (830, 80106), (845, 78684), (948, 70135), (996, 66755), (1014, 65570), (1027, 64740), (1079, 61620), (1185, 56108), (1245, 53404), (1580, 42081), (1660, 40053), (1690, 39342), (2028, 32785), (2054, 32370), (2158, 30810), (2370, 28054), (2490, 26702), (2535, 26228), (3081, 21580), (3237, 20540), (3380, 19671), (4108, 16185), (4316, 15405), (4740, 14027), (4980, 13351), (5070, 13114), (5135, 12948), (5395, 12324), (6162, 10790), (6474, 10270), (6557, 10140)]