78338340

素因数分解:

$2^2\times 3^9\times 5^1\times {\mathrm{199}}^1$

素因数の和:235

約数の個数: 120

約数和(自身を含む): 248001600

約数和(自身を除く): 169663260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 199, 243, 270, 324, 398, 405, 486, 540, 597, 729, 796, 810, 972, 995, 1194, 1215, 1458, 1620, 1791, 1990, 2187, 2388, 2430, 2916, 2985, 3582, 3645, 3980, 4374, 4860, 5373, 5970, 6561, 7164, 7290, 8748, 8955, 10746, 10935, 11940, 13122, 14580, 16119, 17910, 19683, 21492, 21870, 26244, 26865, 32238, 32805, 35820, 39366, 43740, 48357, 53730, 64476, 65610, 78732, 80595, 96714, 98415, 107460, 131220, 145071, 161190, 193428, 196830, 241785, 290142, 322380, 393660, 435213, 483570, 580284, 725355, 870426, 967140, 1305639, 1450710, 1740852, 2176065, 2611278, 2901420, 3916917, 4352130, 5222556, 6528195, 7833834, 8704260, 13056390, 15667668, 19584585, 26112780, 39169170, 78338340]

約数ペア:

[(1, 78338340), (2, 39169170), (3, 26112780), (4, 19584585), (5, 15667668), (6, 13056390), (9, 8704260), (10, 7833834), (12, 6528195), (15, 5222556), (18, 4352130), (20, 3916917), (27, 2901420), (30, 2611278), (36, 2176065), (45, 1740852), (54, 1450710), (60, 1305639), (81, 967140), (90, 870426), (108, 725355), (135, 580284), (162, 483570), (180, 435213), (199, 393660), (243, 322380), (270, 290142), (324, 241785), (398, 196830), (405, 193428), (486, 161190), (540, 145071), (597, 131220), (729, 107460), (796, 98415), (810, 96714), (972, 80595), (995, 78732), (1194, 65610), (1215, 64476), (1458, 53730), (1620, 48357), (1791, 43740), (1990, 39366), (2187, 35820), (2388, 32805), (2430, 32238), (2916, 26865), (2985, 26244), (3582, 21870), (3645, 21492), (3980, 19683), (4374, 17910), (4860, 16119), (5373, 14580), (5970, 13122), (6561, 11940), (7164, 10935), (7290, 10746), (8748, 8955)]