40648140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{599}}^1$

素因数の和:656

約数の個数: 144

約数和(自身を含む): 137592000

約数和(自身を除く): 96943860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 29, 30, 36, 39, 45, 52, 58, 60, 65, 78, 87, 90, 116, 117, 130, 145, 156, 174, 180, 195, 234, 260, 261, 290, 348, 377, 390, 435, 468, 522, 580, 585, 599, 754, 780, 870, 1044, 1131, 1170, 1198, 1305, 1508, 1740, 1797, 1885, 2262, 2340, 2396, 2610, 2995, 3393, 3594, 3770, 4524, 5220, 5391, 5655, 5990, 6786, 7188, 7540, 7787, 8985, 10782, 11310, 11980, 13572, 15574, 16965, 17371, 17970, 21564, 22620, 23361, 26955, 31148, 33930, 34742, 35940, 38935, 46722, 52113, 53910, 67860, 69484, 70083, 77870, 86855, 93444, 104226, 107820, 116805, 140166, 155740, 156339, 173710, 208452, 225823, 233610, 260565, 280332, 312678, 347420, 350415, 451646, 467220, 521130, 625356, 677469, 700830, 781695, 903292, 1042260, 1129115, 1354938, 1401660, 1563390, 2032407, 2258230, 2709876, 3126780, 3387345, 4064814, 4516460, 6774690, 8129628, 10162035, 13549380, 20324070, 40648140]

約数ペア:

[(1, 40648140), (2, 20324070), (3, 13549380), (4, 10162035), (5, 8129628), (6, 6774690), (9, 4516460), (10, 4064814), (12, 3387345), (13, 3126780), (15, 2709876), (18, 2258230), (20, 2032407), (26, 1563390), (29, 1401660), (30, 1354938), (36, 1129115), (39, 1042260), (45, 903292), (52, 781695), (58, 700830), (60, 677469), (65, 625356), (78, 521130), (87, 467220), (90, 451646), (116, 350415), (117, 347420), (130, 312678), (145, 280332), (156, 260565), (174, 233610), (180, 225823), (195, 208452), (234, 173710), (260, 156339), (261, 155740), (290, 140166), (348, 116805), (377, 107820), (390, 104226), (435, 93444), (468, 86855), (522, 77870), (580, 70083), (585, 69484), (599, 67860), (754, 53910), (780, 52113), (870, 46722), (1044, 38935), (1131, 35940), (1170, 34742), (1198, 33930), (1305, 31148), (1508, 26955), (1740, 23361), (1797, 22620), (1885, 21564), (2262, 17970), (2340, 17371), (2396, 16965), (2610, 15574), (2995, 13572), (3393, 11980), (3594, 11310), (3770, 10782), (4524, 8985), (5220, 7787), (5391, 7540), (5655, 7188), (5990, 6786)]