42254940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:212

約数の個数: 192

約数和(自身を含む): 149022720

約数和(自身を除く): 106767780

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 71, 78, 84, 91, 105, 109, 130, 140, 142, 156, 182, 195, 210, 213, 218, 260, 273, 284, 327, 355, 364, 390, 420, 426, 436, 455, 497, 545, 546, 654, 710, 763, 780, 852, 910, 923, 994, 1065, 1090, 1092, 1308, 1365, 1417, 1420, 1491, 1526, 1635, 1820, 1846, 1988, 2130, 2180, 2289, 2485, 2730, 2769, 2834, 2982, 3052, 3270, 3692, 3815, 4251, 4260, 4578, 4615, 4970, 5460, 5538, 5668, 5964, 6461, 6540, 7085, 7455, 7630, 7739, 8502, 9156, 9230, 9919, 9940, 11076, 11445, 12922, 13845, 14170, 14910, 15260, 15478, 17004, 18460, 19383, 19838, 21255, 22890, 23217, 25844, 27690, 28340, 29757, 29820, 30956, 32305, 38695, 38766, 39676, 42510, 45780, 46434, 49595, 54173, 55380, 59514, 64610, 77390, 77532, 85020, 92868, 96915, 99190, 100607, 108346, 116085, 119028, 129220, 148785, 154780, 162519, 193830, 198380, 201214, 216692, 232170, 270865, 297570, 301821, 325038, 387660, 402428, 464340, 503035, 541730, 595140, 603642, 650076, 704249, 812595, 1006070, 1083460, 1207284, 1408498, 1509105, 1625190, 2012140, 2112747, 2816996, 3018210, 3250380, 3521245, 4225494, 6036420, 7042490, 8450988, 10563735, 14084980, 21127470, 42254940]

約数ペア:

[(1, 42254940), (2, 21127470), (3, 14084980), (4, 10563735), (5, 8450988), (6, 7042490), (7, 6036420), (10, 4225494), (12, 3521245), (13, 3250380), (14, 3018210), (15, 2816996), (20, 2112747), (21, 2012140), (26, 1625190), (28, 1509105), (30, 1408498), (35, 1207284), (39, 1083460), (42, 1006070), (52, 812595), (60, 704249), (65, 650076), (70, 603642), (71, 595140), (78, 541730), (84, 503035), (91, 464340), (105, 402428), (109, 387660), (130, 325038), (140, 301821), (142, 297570), (156, 270865), (182, 232170), (195, 216692), (210, 201214), (213, 198380), (218, 193830), (260, 162519), (273, 154780), (284, 148785), (327, 129220), (355, 119028), (364, 116085), (390, 108346), (420, 100607), (426, 99190), (436, 96915), (455, 92868), (497, 85020), (545, 77532), (546, 77390), (654, 64610), (710, 59514), (763, 55380), (780, 54173), (852, 49595), (910, 46434), (923, 45780), (994, 42510), (1065, 39676), (1090, 38766), (1092, 38695), (1308, 32305), (1365, 30956), (1417, 29820), (1420, 29757), (1491, 28340), (1526, 27690), (1635, 25844), (1820, 23217), (1846, 22890), (1988, 21255), (2130, 19838), (2180, 19383), (2289, 18460), (2485, 17004), (2730, 15478), (2769, 15260), (2834, 14910), (2982, 14170), (3052, 13845), (3270, 12922), (3692, 11445), (3815, 11076), (4251, 9940), (4260, 9919), (4578, 9230), (4615, 9156), (4970, 8502), (5460, 7739), (5538, 7630), (5668, 7455), (5964, 7085), (6461, 6540)]