78953940

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1$

素因数の和:220

約数の個数: 240

約数和(自身を含む): 280038528

約数和(自身を除く): 201084588

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 23, 26, 27, 30, 36, 39, 45, 46, 52, 54, 60, 65, 69, 78, 81, 90, 92, 108, 115, 117, 130, 135, 138, 156, 162, 163, 180, 195, 207, 230, 234, 260, 270, 276, 299, 324, 326, 345, 351, 390, 405, 414, 460, 468, 489, 540, 585, 598, 621, 652, 690, 702, 780, 810, 815, 828, 897, 978, 1035, 1053, 1170, 1196, 1242, 1380, 1404, 1467, 1495, 1620, 1630, 1755, 1794, 1863, 1956, 2070, 2106, 2119, 2340, 2445, 2484, 2691, 2934, 2990, 3105, 3260, 3510, 3588, 3726, 3749, 4140, 4212, 4238, 4401, 4485, 4890, 5265, 5382, 5868, 5980, 6210, 6357, 7020, 7335, 7452, 7498, 8073, 8476, 8802, 8970, 9315, 9780, 10530, 10595, 10764, 11247, 12420, 12714, 13203, 13455, 14670, 14996, 16146, 17604, 17940, 18630, 18745, 19071, 21060, 21190, 22005, 22494, 24219, 25428, 26406, 26910, 29340, 31785, 32292, 33741, 37260, 37490, 38142, 40365, 42380, 44010, 44988, 48438, 48737, 52812, 53820, 56235, 57213, 63570, 66015, 67482, 74980, 76284, 80730, 88020, 95355, 96876, 97474, 101223, 112470, 114426, 121095, 127140, 132030, 134964, 146211, 161460, 168705, 171639, 190710, 194948, 202446, 224940, 228852, 242190, 243685, 264060, 286065, 292422, 303669, 337410, 343278, 381420, 404892, 438633, 484380, 487370, 506115, 572130, 584844, 607338, 674820, 686556, 731055, 858195, 877266, 974740, 1012230, 1144260, 1214676, 1315899, 1462110, 1518345, 1716390, 1754532, 2024460, 2193165, 2631798, 2924220, 3036690, 3432780, 3947697, 4386330, 5263596, 6073380, 6579495, 7895394, 8772660, 13158990, 15790788, 19738485, 26317980, 39476970, 78953940]

約数ペア:

[(1, 78953940), (2, 39476970), (3, 26317980), (4, 19738485), (5, 15790788), (6, 13158990), (9, 8772660), (10, 7895394), (12, 6579495), (13, 6073380), (15, 5263596), (18, 4386330), (20, 3947697), (23, 3432780), (26, 3036690), (27, 2924220), (30, 2631798), (36, 2193165), (39, 2024460), (45, 1754532), (46, 1716390), (52, 1518345), (54, 1462110), (60, 1315899), (65, 1214676), (69, 1144260), (78, 1012230), (81, 974740), (90, 877266), (92, 858195), (108, 731055), (115, 686556), (117, 674820), (130, 607338), (135, 584844), (138, 572130), (156, 506115), (162, 487370), (163, 484380), (180, 438633), (195, 404892), (207, 381420), (230, 343278), (234, 337410), (260, 303669), (270, 292422), (276, 286065), (299, 264060), (324, 243685), (326, 242190), (345, 228852), (351, 224940), (390, 202446), (405, 194948), (414, 190710), (460, 171639), (468, 168705), (489, 161460), (540, 146211), (585, 134964), (598, 132030), (621, 127140), (652, 121095), (690, 114426), (702, 112470), (780, 101223), (810, 97474), (815, 96876), (828, 95355), (897, 88020), (978, 80730), (1035, 76284), (1053, 74980), (1170, 67482), (1196, 66015), (1242, 63570), (1380, 57213), (1404, 56235), (1467, 53820), (1495, 52812), (1620, 48737), (1630, 48438), (1755, 44988), (1794, 44010), (1863, 42380), (1956, 40365), (2070, 38142), (2106, 37490), (2119, 37260), (2340, 33741), (2445, 32292), (2484, 31785), (2691, 29340), (2934, 26910), (2990, 26406), (3105, 25428), (3260, 24219), (3510, 22494), (3588, 22005), (3726, 21190), (3749, 21060), (4140, 19071), (4212, 18745), (4238, 18630), (4401, 17940), (4485, 17604), (4890, 16146), (5265, 14996), (5382, 14670), (5868, 13455), (5980, 13203), (6210, 12714), (6357, 12420), (7020, 11247), (7335, 10764), (7452, 10595), (7498, 10530), (8073, 9780), (8476, 9315), (8802, 8970)]