68788980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{239}}^1$

素因数の和:311

約数の個数: 192

約数和(自身を含む): 237081600

約数和(自身を除く): 168292620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 41, 45, 52, 54, 60, 65, 78, 82, 90, 108, 117, 123, 130, 135, 156, 164, 180, 195, 205, 234, 239, 246, 260, 270, 351, 369, 390, 410, 468, 478, 492, 533, 540, 585, 615, 702, 717, 738, 780, 820, 956, 1066, 1107, 1170, 1195, 1230, 1404, 1434, 1476, 1599, 1755, 1845, 2132, 2151, 2214, 2340, 2390, 2460, 2665, 2868, 3107, 3198, 3510, 3585, 3690, 4302, 4428, 4780, 4797, 5330, 5535, 6214, 6396, 6453, 7020, 7170, 7380, 7995, 8604, 9321, 9594, 9799, 10660, 10755, 11070, 12428, 12906, 14340, 14391, 15535, 15990, 18642, 19188, 19598, 21510, 22140, 23985, 25812, 27963, 28782, 29397, 31070, 31980, 32265, 37284, 39196, 43020, 46605, 47970, 48995, 55926, 57564, 58794, 62140, 64530, 71955, 83889, 88191, 93210, 95940, 97990, 111852, 117588, 127387, 129060, 139815, 143910, 146985, 167778, 176382, 186420, 195980, 254774, 264573, 279630, 287820, 293970, 335556, 352764, 382161, 419445, 440955, 509548, 529146, 559260, 587940, 636935, 764322, 838890, 881910, 1058292, 1146483, 1273870, 1322865, 1528644, 1677780, 1763820, 1910805, 2292966, 2547740, 2645730, 3439449, 3821610, 4585932, 5291460, 5732415, 6878898, 7643220, 11464830, 13757796, 17197245, 22929660, 34394490, 68788980]

約数ペア:

[(1, 68788980), (2, 34394490), (3, 22929660), (4, 17197245), (5, 13757796), (6, 11464830), (9, 7643220), (10, 6878898), (12, 5732415), (13, 5291460), (15, 4585932), (18, 3821610), (20, 3439449), (26, 2645730), (27, 2547740), (30, 2292966), (36, 1910805), (39, 1763820), (41, 1677780), (45, 1528644), (52, 1322865), (54, 1273870), (60, 1146483), (65, 1058292), (78, 881910), (82, 838890), (90, 764322), (108, 636935), (117, 587940), (123, 559260), (130, 529146), (135, 509548), (156, 440955), (164, 419445), (180, 382161), (195, 352764), (205, 335556), (234, 293970), (239, 287820), (246, 279630), (260, 264573), (270, 254774), (351, 195980), (369, 186420), (390, 176382), (410, 167778), (468, 146985), (478, 143910), (492, 139815), (533, 129060), (540, 127387), (585, 117588), (615, 111852), (702, 97990), (717, 95940), (738, 93210), (780, 88191), (820, 83889), (956, 71955), (1066, 64530), (1107, 62140), (1170, 58794), (1195, 57564), (1230, 55926), (1404, 48995), (1434, 47970), (1476, 46605), (1599, 43020), (1755, 39196), (1845, 37284), (2132, 32265), (2151, 31980), (2214, 31070), (2340, 29397), (2390, 28782), (2460, 27963), (2665, 25812), (2868, 23985), (3107, 22140), (3198, 21510), (3510, 19598), (3585, 19188), (3690, 18642), (4302, 15990), (4428, 15535), (4780, 14391), (4797, 14340), (5330, 12906), (5535, 12428), (6214, 11070), (6396, 10755), (6453, 10660), (7020, 9799), (7170, 9594), (7380, 9321), (7995, 8604)]