279858930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^2\times {\mathrm{191}}^1$

素因数の和:261

約数の個数: 144

約数和(自身を含む): 776646144

約数和(自身を除く): 496787214

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 17, 26, 30, 34, 39, 51, 65, 78, 85, 102, 130, 169, 170, 191, 195, 221, 255, 289, 338, 382, 390, 442, 507, 510, 573, 578, 663, 845, 867, 955, 1014, 1105, 1146, 1326, 1445, 1690, 1734, 1910, 2210, 2483, 2535, 2865, 2873, 2890, 3247, 3315, 3757, 4335, 4966, 5070, 5730, 5746, 6494, 6630, 7449, 7514, 8619, 8670, 9741, 11271, 12415, 14365, 14898, 16235, 17238, 18785, 19482, 22542, 24830, 28730, 32279, 32470, 37245, 37570, 42211, 43095, 48705, 48841, 55199, 56355, 64558, 74490, 84422, 86190, 96837, 97410, 97682, 110398, 112710, 126633, 146523, 161395, 165597, 193674, 211055, 244205, 253266, 275995, 293046, 322790, 331194, 422110, 484185, 488410, 548743, 551990, 633165, 717587, 732615, 827985, 968370, 1097486, 1266330, 1435174, 1465230, 1646229, 1655970, 2152761, 2743715, 3292458, 3587935, 4305522, 5487430, 7175870, 8231145, 9328631, 10763805, 16462290, 18657262, 21527610, 27985893, 46643155, 55971786, 93286310, 139929465, 279858930]

約数ペア:

[(1, 279858930), (2, 139929465), (3, 93286310), (5, 55971786), (6, 46643155), (10, 27985893), (13, 21527610), (15, 18657262), (17, 16462290), (26, 10763805), (30, 9328631), (34, 8231145), (39, 7175870), (51, 5487430), (65, 4305522), (78, 3587935), (85, 3292458), (102, 2743715), (130, 2152761), (169, 1655970), (170, 1646229), (191, 1465230), (195, 1435174), (221, 1266330), (255, 1097486), (289, 968370), (338, 827985), (382, 732615), (390, 717587), (442, 633165), (507, 551990), (510, 548743), (573, 488410), (578, 484185), (663, 422110), (845, 331194), (867, 322790), (955, 293046), (1014, 275995), (1105, 253266), (1146, 244205), (1326, 211055), (1445, 193674), (1690, 165597), (1734, 161395), (1910, 146523), (2210, 126633), (2483, 112710), (2535, 110398), (2865, 97682), (2873, 97410), (2890, 96837), (3247, 86190), (3315, 84422), (3757, 74490), (4335, 64558), (4966, 56355), (5070, 55199), (5730, 48841), (5746, 48705), (6494, 43095), (6630, 42211), (7449, 37570), (7514, 37245), (8619, 32470), (8670, 32279), (9741, 28730), (11271, 24830), (12415, 22542), (14365, 19482), (14898, 18785), (16235, 17238)]