78307320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:206

約数の個数: 256

約数和(自身を含む): 296110080

約数和(自身を除く): 217802760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 71, 78, 84, 91, 101, 104, 105, 120, 130, 140, 142, 156, 168, 182, 195, 202, 210, 213, 260, 273, 280, 284, 303, 312, 355, 364, 390, 404, 420, 426, 455, 497, 505, 520, 546, 568, 606, 707, 710, 728, 780, 808, 840, 852, 910, 923, 994, 1010, 1065, 1092, 1212, 1313, 1365, 1414, 1420, 1491, 1515, 1560, 1704, 1820, 1846, 1988, 2020, 2121, 2130, 2184, 2424, 2485, 2626, 2730, 2769, 2828, 2840, 2982, 3030, 3535, 3640, 3692, 3939, 3976, 4040, 4242, 4260, 4615, 4970, 5252, 5460, 5538, 5656, 5964, 6060, 6461, 6565, 7070, 7171, 7384, 7455, 7878, 8484, 8520, 9191, 9230, 9940, 10504, 10605, 10920, 11076, 11928, 12120, 12922, 13130, 13845, 14140, 14342, 14910, 15756, 16968, 18382, 18460, 19383, 19695, 19880, 21210, 21513, 22152, 25844, 26260, 27573, 27690, 28280, 28684, 29820, 31512, 32305, 35855, 36764, 36920, 38766, 39390, 42420, 43026, 45955, 50197, 51688, 52520, 55146, 55380, 57368, 59640, 64610, 71710, 73528, 77532, 78780, 84840, 86052, 91910, 93223, 96915, 100394, 107565, 110292, 110760, 129220, 137865, 143420, 150591, 155064, 157560, 172104, 183820, 186446, 193830, 200788, 215130, 220584, 250985, 258440, 275730, 279669, 286840, 301182, 367640, 372892, 387660, 401576, 430260, 466115, 501970, 551460, 559338, 602364, 652561, 745784, 752955, 775320, 860520, 932230, 1003940, 1102920, 1118676, 1204728, 1305122, 1398345, 1505910, 1864460, 1957683, 2007880, 2237352, 2610244, 2796690, 3011820, 3262805, 3728920, 3915366, 5220488, 5593380, 6023640, 6525610, 7830732, 9788415, 11186760, 13051220, 15661464, 19576830, 26102440, 39153660, 78307320]

約数ペア:

[(1, 78307320), (2, 39153660), (3, 26102440), (4, 19576830), (5, 15661464), (6, 13051220), (7, 11186760), (8, 9788415), (10, 7830732), (12, 6525610), (13, 6023640), (14, 5593380), (15, 5220488), (20, 3915366), (21, 3728920), (24, 3262805), (26, 3011820), (28, 2796690), (30, 2610244), (35, 2237352), (39, 2007880), (40, 1957683), (42, 1864460), (52, 1505910), (56, 1398345), (60, 1305122), (65, 1204728), (70, 1118676), (71, 1102920), (78, 1003940), (84, 932230), (91, 860520), (101, 775320), (104, 752955), (105, 745784), (120, 652561), (130, 602364), (140, 559338), (142, 551460), (156, 501970), (168, 466115), (182, 430260), (195, 401576), (202, 387660), (210, 372892), (213, 367640), (260, 301182), (273, 286840), (280, 279669), (284, 275730), (303, 258440), (312, 250985), (355, 220584), (364, 215130), (390, 200788), (404, 193830), (420, 186446), (426, 183820), (455, 172104), (497, 157560), (505, 155064), (520, 150591), (546, 143420), (568, 137865), (606, 129220), (707, 110760), (710, 110292), (728, 107565), (780, 100394), (808, 96915), (840, 93223), (852, 91910), (910, 86052), (923, 84840), (994, 78780), (1010, 77532), (1065, 73528), (1092, 71710), (1212, 64610), (1313, 59640), (1365, 57368), (1414, 55380), (1420, 55146), (1491, 52520), (1515, 51688), (1560, 50197), (1704, 45955), (1820, 43026), (1846, 42420), (1988, 39390), (2020, 38766), (2121, 36920), (2130, 36764), (2184, 35855), (2424, 32305), (2485, 31512), (2626, 29820), (2730, 28684), (2769, 28280), (2828, 27690), (2840, 27573), (2982, 26260), (3030, 25844), (3535, 22152), (3640, 21513), (3692, 21210), (3939, 19880), (3976, 19695), (4040, 19383), (4242, 18460), (4260, 18382), (4615, 16968), (4970, 15756), (5252, 14910), (5460, 14342), (5538, 14140), (5656, 13845), (5964, 13130), (6060, 12922), (6461, 12120), (6565, 11928), (7070, 11076), (7171, 10920), (7384, 10605), (7455, 10504), (7878, 9940), (8484, 9230), (8520, 9191)]