281649420

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{757}}^1$

素因数の和:841

約数の個数: 192

約数和(自身を含む): 962720640

約数和(自身を除く): 681071220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 53, 54, 60, 65, 78, 90, 106, 108, 117, 130, 135, 156, 159, 180, 195, 212, 234, 260, 265, 270, 318, 351, 390, 468, 477, 530, 540, 585, 636, 689, 702, 757, 780, 795, 954, 1060, 1170, 1378, 1404, 1431, 1514, 1590, 1755, 1908, 2067, 2271, 2340, 2385, 2756, 2862, 3028, 3180, 3445, 3510, 3785, 4134, 4542, 4770, 5724, 6201, 6813, 6890, 7020, 7155, 7570, 8268, 9084, 9540, 9841, 10335, 11355, 12402, 13626, 13780, 14310, 15140, 18603, 19682, 20439, 20670, 22710, 24804, 27252, 28620, 29523, 31005, 34065, 37206, 39364, 40121, 40878, 41340, 45420, 49205, 59046, 62010, 68130, 74412, 80242, 81756, 88569, 93015, 98410, 102195, 118092, 120363, 124020, 136260, 147615, 160484, 177138, 186030, 196820, 200605, 204390, 240726, 265707, 295230, 354276, 361089, 372060, 401210, 408780, 442845, 481452, 521573, 531414, 590460, 601815, 722178, 802420, 885690, 1043146, 1062828, 1083267, 1203630, 1328535, 1444356, 1564719, 1771380, 1805445, 2086292, 2166534, 2407260, 2607865, 2657070, 3129438, 3610890, 4333068, 4694157, 5215730, 5314140, 5416335, 6258876, 7221780, 7823595, 9388314, 10431460, 10832670, 14082471, 15647190, 18776628, 21665340, 23470785, 28164942, 31294380, 46941570, 56329884, 70412355, 93883140, 140824710, 281649420]

約数ペア:

[(1, 281649420), (2, 140824710), (3, 93883140), (4, 70412355), (5, 56329884), (6, 46941570), (9, 31294380), (10, 28164942), (12, 23470785), (13, 21665340), (15, 18776628), (18, 15647190), (20, 14082471), (26, 10832670), (27, 10431460), (30, 9388314), (36, 7823595), (39, 7221780), (45, 6258876), (52, 5416335), (53, 5314140), (54, 5215730), (60, 4694157), (65, 4333068), (78, 3610890), (90, 3129438), (106, 2657070), (108, 2607865), (117, 2407260), (130, 2166534), (135, 2086292), (156, 1805445), (159, 1771380), (180, 1564719), (195, 1444356), (212, 1328535), (234, 1203630), (260, 1083267), (265, 1062828), (270, 1043146), (318, 885690), (351, 802420), (390, 722178), (468, 601815), (477, 590460), (530, 531414), (540, 521573), (585, 481452), (636, 442845), (689, 408780), (702, 401210), (757, 372060), (780, 361089), (795, 354276), (954, 295230), (1060, 265707), (1170, 240726), (1378, 204390), (1404, 200605), (1431, 196820), (1514, 186030), (1590, 177138), (1755, 160484), (1908, 147615), (2067, 136260), (2271, 124020), (2340, 120363), (2385, 118092), (2756, 102195), (2862, 98410), (3028, 93015), (3180, 88569), (3445, 81756), (3510, 80242), (3785, 74412), (4134, 68130), (4542, 62010), (4770, 59046), (5724, 49205), (6201, 45420), (6813, 41340), (6890, 40878), (7020, 40121), (7155, 39364), (7570, 37206), (8268, 34065), (9084, 31005), (9540, 29523), (9841, 28620), (10335, 27252), (11355, 24804), (12402, 22710), (13626, 20670), (13780, 20439), (14310, 19682), (15140, 18603)]