2590380

素因数分解:

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

素因数の和:78

約数の個数: 144

約数和(自身を含む): 8989344

約数和(自身を除く): 6398964

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, 81, 82, 90, 108, 117, 123, 130, 135, 156, 162, 164, 180, 195, 205, 234, 243, 246, 260, 270, 324, 351, 369, 390, 405, 410, 468, 486, 492, 533, 540, 585, 615, 702, 738, 780, 810, 820, 972, 1053, 1066, 1107, 1170, 1215, 1230, 1404, 1476, 1599, 1620, 1755, 1845, 2106, 2132, 2214, 2340, 2430, 2460, 2665, 3159, 3198, 3321, 3510, 3690, 4212, 4428, 4797, 4860, 5265, 5330, 5535, 6318, 6396, 6642, 7020, 7380, 7995, 9594, 9963, 10530, 10660, 11070, 12636, 13284, 14391, 15795, 15990, 16605, 19188, 19926, 21060, 22140, 23985, 28782, 31590, 31980, 33210, 39852, 43173, 47970, 49815, 57564, 63180, 66420, 71955, 86346, 95940, 99630, 129519, 143910, 172692, 199260, 215865, 259038, 287820, 431730, 518076, 647595, 863460, 1295190, 2590380]

約数ペア:

[(1, 2590380), (2, 1295190), (3, 863460), (4, 647595), (5, 518076), (6, 431730), (9, 287820), (10, 259038), (12, 215865), (13, 199260), (15, 172692), (18, 143910), (20, 129519), (26, 99630), (27, 95940), (30, 86346), (36, 71955), (39, 66420), (41, 63180), (45, 57564), (52, 49815), (54, 47970), (60, 43173), (65, 39852), (78, 33210), (81, 31980), (82, 31590), (90, 28782), (108, 23985), (117, 22140), (123, 21060), (130, 19926), (135, 19188), (156, 16605), (162, 15990), (164, 15795), (180, 14391), (195, 13284), (205, 12636), (234, 11070), (243, 10660), (246, 10530), (260, 9963), (270, 9594), (324, 7995), (351, 7380), (369, 7020), (390, 6642), (405, 6396), (410, 6318), (468, 5535), (486, 5330), (492, 5265), (533, 4860), (540, 4797), (585, 4428), (615, 4212), (702, 3690), (738, 3510), (780, 3321), (810, 3198), (820, 3159), (972, 2665), (1053, 2460), (1066, 2430), (1107, 2340), (1170, 2214), (1215, 2132), (1230, 2106), (1404, 1845), (1476, 1755), (1599, 1620)]