290291280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1223}}^1$

素因数の和:1305

約数の個数: 160

約数和(自身を含む): 961652736

約数和(自身を除く): 671361456

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 43, 46, 48, 60, 69, 80, 86, 92, 115, 120, 129, 138, 172, 184, 215, 230, 240, 258, 276, 344, 345, 368, 430, 460, 516, 552, 645, 688, 690, 860, 920, 989, 1032, 1104, 1223, 1290, 1380, 1720, 1840, 1978, 2064, 2446, 2580, 2760, 2967, 3440, 3669, 3956, 4892, 4945, 5160, 5520, 5934, 6115, 7338, 7912, 9784, 9890, 10320, 11868, 12230, 14676, 14835, 15824, 18345, 19568, 19780, 23736, 24460, 28129, 29352, 29670, 36690, 39560, 47472, 48920, 52589, 56258, 58704, 59340, 73380, 79120, 84387, 97840, 105178, 112516, 118680, 140645, 146760, 157767, 168774, 210356, 225032, 237360, 262945, 281290, 293520, 315534, 337548, 420712, 421935, 450064, 525890, 562580, 631068, 675096, 788835, 841424, 843870, 1051780, 1125160, 1209547, 1262136, 1350192, 1577670, 1687740, 2103560, 2250320, 2419094, 2524272, 3155340, 3375480, 3628641, 4207120, 4838188, 6047735, 6310680, 6750960, 7257282, 9676376, 12095470, 12621360, 14514564, 18143205, 19352752, 24190940, 29029128, 36286410, 48381880, 58058256, 72572820, 96763760, 145145640, 290291280]

約数ペア:

[(1, 290291280), (2, 145145640), (3, 96763760), (4, 72572820), (5, 58058256), (6, 48381880), (8, 36286410), (10, 29029128), (12, 24190940), (15, 19352752), (16, 18143205), (20, 14514564), (23, 12621360), (24, 12095470), (30, 9676376), (40, 7257282), (43, 6750960), (46, 6310680), (48, 6047735), (60, 4838188), (69, 4207120), (80, 3628641), (86, 3375480), (92, 3155340), (115, 2524272), (120, 2419094), (129, 2250320), (138, 2103560), (172, 1687740), (184, 1577670), (215, 1350192), (230, 1262136), (240, 1209547), (258, 1125160), (276, 1051780), (344, 843870), (345, 841424), (368, 788835), (430, 675096), (460, 631068), (516, 562580), (552, 525890), (645, 450064), (688, 421935), (690, 420712), (860, 337548), (920, 315534), (989, 293520), (1032, 281290), (1104, 262945), (1223, 237360), (1290, 225032), (1380, 210356), (1720, 168774), (1840, 157767), (1978, 146760), (2064, 140645), (2446, 118680), (2580, 112516), (2760, 105178), (2967, 97840), (3440, 84387), (3669, 79120), (3956, 73380), (4892, 59340), (4945, 58704), (5160, 56258), (5520, 52589), (5934, 48920), (6115, 47472), (7338, 39560), (7912, 36690), (9784, 29670), (9890, 29352), (10320, 28129), (11868, 24460), (12230, 23736), (14676, 19780), (14835, 19568), (15824, 18345)]