123534320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{239}}^1$

素因数の和:343

約数の個数: 160

約数和(自身を含む): 359976960

約数和(自身を除く): 236442640

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 71, 80, 91, 104, 112, 130, 140, 142, 182, 208, 239, 260, 280, 284, 355, 364, 455, 478, 497, 520, 560, 568, 710, 728, 910, 923, 956, 994, 1040, 1136, 1195, 1420, 1456, 1673, 1820, 1846, 1912, 1988, 2390, 2485, 2840, 3107, 3346, 3640, 3692, 3824, 3976, 4615, 4780, 4970, 5680, 6214, 6461, 6692, 7280, 7384, 7952, 8365, 9230, 9560, 9940, 12428, 12922, 13384, 14768, 15535, 16730, 16969, 18460, 19120, 19880, 21749, 24856, 25844, 26768, 31070, 32305, 33460, 33938, 36920, 39760, 43498, 49712, 51688, 62140, 64610, 66920, 67876, 73840, 84845, 86996, 103376, 108745, 118783, 124280, 129220, 133840, 135752, 169690, 173992, 217490, 220597, 237566, 248560, 258440, 271504, 339380, 347984, 434980, 441194, 475132, 516880, 593915, 678760, 869960, 882388, 950264, 1102985, 1187830, 1357520, 1544179, 1739920, 1764776, 1900528, 2205970, 2375660, 3088358, 3529552, 4411940, 4751320, 6176716, 7720895, 8823880, 9502640, 12353432, 15441790, 17647760, 24706864, 30883580, 61767160, 123534320]

約数ペア:

[(1, 123534320), (2, 61767160), (4, 30883580), (5, 24706864), (7, 17647760), (8, 15441790), (10, 12353432), (13, 9502640), (14, 8823880), (16, 7720895), (20, 6176716), (26, 4751320), (28, 4411940), (35, 3529552), (40, 3088358), (52, 2375660), (56, 2205970), (65, 1900528), (70, 1764776), (71, 1739920), (80, 1544179), (91, 1357520), (104, 1187830), (112, 1102985), (130, 950264), (140, 882388), (142, 869960), (182, 678760), (208, 593915), (239, 516880), (260, 475132), (280, 441194), (284, 434980), (355, 347984), (364, 339380), (455, 271504), (478, 258440), (497, 248560), (520, 237566), (560, 220597), (568, 217490), (710, 173992), (728, 169690), (910, 135752), (923, 133840), (956, 129220), (994, 124280), (1040, 118783), (1136, 108745), (1195, 103376), (1420, 86996), (1456, 84845), (1673, 73840), (1820, 67876), (1846, 66920), (1912, 64610), (1988, 62140), (2390, 51688), (2485, 49712), (2840, 43498), (3107, 39760), (3346, 36920), (3640, 33938), (3692, 33460), (3824, 32305), (3976, 31070), (4615, 26768), (4780, 25844), (4970, 24856), (5680, 21749), (6214, 19880), (6461, 19120), (6692, 18460), (7280, 16969), (7384, 16730), (7952, 15535), (8365, 14768), (9230, 13384), (9560, 12922), (9940, 12428)]