420238560

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{691}}^1$

素因数の和:897

約数の個数: 192

約数和(自身を含む): 1523418624

約数和(自身を除く): 1103180064

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 181, 210, 224, 240, 280, 336, 362, 420, 480, 543, 560, 672, 691, 724, 840, 905, 1086, 1120, 1267, 1382, 1448, 1680, 1810, 2073, 2172, 2534, 2715, 2764, 2896, 3360, 3455, 3620, 3801, 4146, 4344, 4837, 5068, 5430, 5528, 5792, 6335, 6910, 7240, 7602, 8292, 8688, 9674, 10136, 10365, 10860, 11056, 12670, 13820, 14480, 14511, 15204, 16584, 17376, 19005, 19348, 20272, 20730, 21720, 22112, 24185, 25340, 27640, 28960, 29022, 30408, 33168, 38010, 38696, 40544, 41460, 43440, 48370, 50680, 55280, 58044, 60816, 66336, 72555, 76020, 77392, 82920, 86880, 96740, 101360, 110560, 116088, 121632, 125071, 145110, 152040, 154784, 165840, 193480, 202720, 232176, 250142, 290220, 304080, 331680, 375213, 386960, 464352, 500284, 580440, 608160, 625355, 750426, 773920, 875497, 1000568, 1160880, 1250710, 1500852, 1750994, 1876065, 2001136, 2321760, 2501420, 2626491, 3001704, 3501988, 3752130, 4002272, 4377485, 5002840, 5252982, 6003408, 7003976, 7504260, 8754970, 10005680, 10505964, 12006816, 13132455, 14007952, 15008520, 17509940, 20011360, 21011928, 26264910, 28015904, 30017040, 35019880, 42023856, 52529820, 60034080, 70039760, 84047712, 105059640, 140079520, 210119280, 420238560]

約数ペア:

[(1, 420238560), (2, 210119280), (3, 140079520), (4, 105059640), (5, 84047712), (6, 70039760), (7, 60034080), (8, 52529820), (10, 42023856), (12, 35019880), (14, 30017040), (15, 28015904), (16, 26264910), (20, 21011928), (21, 20011360), (24, 17509940), (28, 15008520), (30, 14007952), (32, 13132455), (35, 12006816), (40, 10505964), (42, 10005680), (48, 8754970), (56, 7504260), (60, 7003976), (70, 6003408), (80, 5252982), (84, 5002840), (96, 4377485), (105, 4002272), (112, 3752130), (120, 3501988), (140, 3001704), (160, 2626491), (168, 2501420), (181, 2321760), (210, 2001136), (224, 1876065), (240, 1750994), (280, 1500852), (336, 1250710), (362, 1160880), (420, 1000568), (480, 875497), (543, 773920), (560, 750426), (672, 625355), (691, 608160), (724, 580440), (840, 500284), (905, 464352), (1086, 386960), (1120, 375213), (1267, 331680), (1382, 304080), (1448, 290220), (1680, 250142), (1810, 232176), (2073, 202720), (2172, 193480), (2534, 165840), (2715, 154784), (2764, 152040), (2896, 145110), (3360, 125071), (3455, 121632), (3620, 116088), (3801, 110560), (4146, 101360), (4344, 96740), (4837, 86880), (5068, 82920), (5430, 77392), (5528, 76020), (5792, 72555), (6335, 66336), (6910, 60816), (7240, 58044), (7602, 55280), (8292, 50680), (8688, 48370), (9674, 43440), (10136, 41460), (10365, 40544), (10860, 38696), (11056, 38010), (12670, 33168), (13820, 30408), (14480, 29022), (14511, 28960), (15204, 27640), (16584, 25340), (17376, 24185), (19005, 22112), (19348, 21720), (20272, 20730)]