68456280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1459}}^1$

素因数の和:1513

約数の個数: 128

約数和(自身を含む): 227059200

約数和(自身を除く): 158602920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 23, 24, 30, 34, 40, 46, 51, 60, 68, 69, 85, 92, 102, 115, 120, 136, 138, 170, 184, 204, 230, 255, 276, 340, 345, 391, 408, 460, 510, 552, 680, 690, 782, 920, 1020, 1173, 1380, 1459, 1564, 1955, 2040, 2346, 2760, 2918, 3128, 3910, 4377, 4692, 5836, 5865, 7295, 7820, 8754, 9384, 11672, 11730, 14590, 15640, 17508, 21885, 23460, 24803, 29180, 33557, 35016, 43770, 46920, 49606, 58360, 67114, 74409, 87540, 99212, 100671, 124015, 134228, 148818, 167785, 175080, 198424, 201342, 248030, 268456, 297636, 335570, 372045, 402684, 496060, 503355, 570469, 595272, 671140, 744090, 805368, 992120, 1006710, 1140938, 1342280, 1488180, 1711407, 2013420, 2281876, 2852345, 2976360, 3422814, 4026840, 4563752, 5704690, 6845628, 8557035, 11409380, 13691256, 17114070, 22818760, 34228140, 68456280]

約数ペア:

[(1, 68456280), (2, 34228140), (3, 22818760), (4, 17114070), (5, 13691256), (6, 11409380), (8, 8557035), (10, 6845628), (12, 5704690), (15, 4563752), (17, 4026840), (20, 3422814), (23, 2976360), (24, 2852345), (30, 2281876), (34, 2013420), (40, 1711407), (46, 1488180), (51, 1342280), (60, 1140938), (68, 1006710), (69, 992120), (85, 805368), (92, 744090), (102, 671140), (115, 595272), (120, 570469), (136, 503355), (138, 496060), (170, 402684), (184, 372045), (204, 335570), (230, 297636), (255, 268456), (276, 248030), (340, 201342), (345, 198424), (391, 175080), (408, 167785), (460, 148818), (510, 134228), (552, 124015), (680, 100671), (690, 99212), (782, 87540), (920, 74409), (1020, 67114), (1173, 58360), (1380, 49606), (1459, 46920), (1564, 43770), (1955, 35016), (2040, 33557), (2346, 29180), (2760, 24803), (2918, 23460), (3128, 21885), (3910, 17508), (4377, 15640), (4692, 14590), (5836, 11730), (5865, 11672), (7295, 9384), (7820, 8754)]