81924960

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{691}}^1$

素因数の和:741

約数の個数: 192

約数和(自身を含む): 292965120

約数和(自身を除く): 211040160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 19, 20, 24, 26, 30, 32, 38, 39, 40, 48, 52, 57, 60, 65, 76, 78, 80, 95, 96, 104, 114, 120, 130, 152, 156, 160, 190, 195, 208, 228, 240, 247, 260, 285, 304, 312, 380, 390, 416, 456, 480, 494, 520, 570, 608, 624, 691, 741, 760, 780, 912, 988, 1040, 1140, 1235, 1248, 1382, 1482, 1520, 1560, 1824, 1976, 2073, 2080, 2280, 2470, 2764, 2964, 3040, 3120, 3455, 3705, 3952, 4146, 4560, 4940, 5528, 5928, 6240, 6910, 7410, 7904, 8292, 8983, 9120, 9880, 10365, 11056, 11856, 13129, 13820, 14820, 16584, 17966, 19760, 20730, 22112, 23712, 26258, 26949, 27640, 29640, 33168, 35932, 39387, 39520, 41460, 44915, 52516, 53898, 55280, 59280, 65645, 66336, 71864, 78774, 82920, 89830, 105032, 107796, 110560, 118560, 131290, 134745, 143728, 157548, 165840, 170677, 179660, 196935, 210064, 215592, 262580, 269490, 287456, 315096, 331680, 341354, 359320, 393870, 420128, 431184, 512031, 525160, 538980, 630192, 682708, 718640, 787740, 853385, 862368, 1024062, 1050320, 1077960, 1260384, 1365416, 1437280, 1575480, 1706770, 2048124, 2100640, 2155920, 2560155, 2730832, 3150960, 3413540, 4096248, 4311840, 5120310, 5461664, 6301920, 6827080, 8192496, 10240620, 13654160, 16384992, 20481240, 27308320, 40962480, 81924960]

約数ペア:

[(1, 81924960), (2, 40962480), (3, 27308320), (4, 20481240), (5, 16384992), (6, 13654160), (8, 10240620), (10, 8192496), (12, 6827080), (13, 6301920), (15, 5461664), (16, 5120310), (19, 4311840), (20, 4096248), (24, 3413540), (26, 3150960), (30, 2730832), (32, 2560155), (38, 2155920), (39, 2100640), (40, 2048124), (48, 1706770), (52, 1575480), (57, 1437280), (60, 1365416), (65, 1260384), (76, 1077960), (78, 1050320), (80, 1024062), (95, 862368), (96, 853385), (104, 787740), (114, 718640), (120, 682708), (130, 630192), (152, 538980), (156, 525160), (160, 512031), (190, 431184), (195, 420128), (208, 393870), (228, 359320), (240, 341354), (247, 331680), (260, 315096), (285, 287456), (304, 269490), (312, 262580), (380, 215592), (390, 210064), (416, 196935), (456, 179660), (480, 170677), (494, 165840), (520, 157548), (570, 143728), (608, 134745), (624, 131290), (691, 118560), (741, 110560), (760, 107796), (780, 105032), (912, 89830), (988, 82920), (1040, 78774), (1140, 71864), (1235, 66336), (1248, 65645), (1382, 59280), (1482, 55280), (1520, 53898), (1560, 52516), (1824, 44915), (1976, 41460), (2073, 39520), (2080, 39387), (2280, 35932), (2470, 33168), (2764, 29640), (2964, 27640), (3040, 26949), (3120, 26258), (3455, 23712), (3705, 22112), (3952, 20730), (4146, 19760), (4560, 17966), (4940, 16584), (5528, 14820), (5928, 13820), (6240, 13129), (6910, 11856), (7410, 11056), (7904, 10365), (8292, 9880), (8983, 9120)]