61286940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2381}}^1$

素因数の和:2420

約数の個数: 144

約数和(自身を含む): 218496096

約数和(自身を除く): 157209156

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 13, 15, 18, 20, 22, 26, 30, 33, 36, 39, 44, 45, 52, 55, 60, 65, 66, 78, 90, 99, 110, 117, 130, 132, 143, 156, 165, 180, 195, 198, 220, 234, 260, 286, 330, 390, 396, 429, 468, 495, 572, 585, 660, 715, 780, 858, 990, 1170, 1287, 1430, 1716, 1980, 2145, 2340, 2381, 2574, 2860, 4290, 4762, 5148, 6435, 7143, 8580, 9524, 11905, 12870, 14286, 21429, 23810, 25740, 26191, 28572, 30953, 35715, 42858, 47620, 52382, 61906, 71430, 78573, 85716, 92859, 104764, 107145, 123812, 130955, 142860, 154765, 157146, 185718, 214290, 235719, 261910, 278577, 309530, 314292, 340483, 371436, 392865, 428580, 464295, 471438, 523820, 557154, 619060, 680966, 785730, 928590, 942876, 1021449, 1114308, 1178595, 1361932, 1392885, 1571460, 1702415, 1857180, 2042898, 2357190, 2785770, 3064347, 3404830, 4085796, 4714380, 5107245, 5571540, 6128694, 6809660, 10214490, 12257388, 15321735, 20428980, 30643470, 61286940]

約数ペア:

[(1, 61286940), (2, 30643470), (3, 20428980), (4, 15321735), (5, 12257388), (6, 10214490), (9, 6809660), (10, 6128694), (11, 5571540), (12, 5107245), (13, 4714380), (15, 4085796), (18, 3404830), (20, 3064347), (22, 2785770), (26, 2357190), (30, 2042898), (33, 1857180), (36, 1702415), (39, 1571460), (44, 1392885), (45, 1361932), (52, 1178595), (55, 1114308), (60, 1021449), (65, 942876), (66, 928590), (78, 785730), (90, 680966), (99, 619060), (110, 557154), (117, 523820), (130, 471438), (132, 464295), (143, 428580), (156, 392865), (165, 371436), (180, 340483), (195, 314292), (198, 309530), (220, 278577), (234, 261910), (260, 235719), (286, 214290), (330, 185718), (390, 157146), (396, 154765), (429, 142860), (468, 130955), (495, 123812), (572, 107145), (585, 104764), (660, 92859), (715, 85716), (780, 78573), (858, 71430), (990, 61906), (1170, 52382), (1287, 47620), (1430, 42858), (1716, 35715), (1980, 30953), (2145, 28572), (2340, 26191), (2381, 25740), (2574, 23810), (2860, 21429), (4290, 14286), (4762, 12870), (5148, 11905), (6435, 9524), (7143, 8580)]