427965720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{39191}}^1$

素因数の和:39225

約数の個数: 128

約数和(自身を含む): 1580221440

約数和(自身を除く): 1152255720

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, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 182, 195, 210, 260, 273, 280, 312, 364, 390, 420, 455, 520, 546, 728, 780, 840, 910, 1092, 1365, 1560, 1820, 2184, 2730, 3640, 5460, 10920, 39191, 78382, 117573, 156764, 195955, 235146, 274337, 313528, 391910, 470292, 509483, 548674, 587865, 783820, 823011, 940584, 1018966, 1097348, 1175730, 1371685, 1528449, 1567640, 1646022, 2037932, 2194696, 2351460, 2547415, 2743370, 3056898, 3292044, 3566381, 4075864, 4115055, 4702920, 5094830, 5486740, 6113796, 6584088, 7132762, 7642245, 8230110, 10189660, 10699143, 10973480, 12227592, 14265524, 15284490, 16460220, 17831905, 20379320, 21398286, 28531048, 30568980, 32920440, 35663810, 42796572, 53495715, 61137960, 71327620, 85593144, 106991430, 142655240, 213982860, 427965720]

約数ペア:

[(1, 427965720), (2, 213982860), (3, 142655240), (4, 106991430), (5, 85593144), (6, 71327620), (7, 61137960), (8, 53495715), (10, 42796572), (12, 35663810), (13, 32920440), (14, 30568980), (15, 28531048), (20, 21398286), (21, 20379320), (24, 17831905), (26, 16460220), (28, 15284490), (30, 14265524), (35, 12227592), (39, 10973480), (40, 10699143), (42, 10189660), (52, 8230110), (56, 7642245), (60, 7132762), (65, 6584088), (70, 6113796), (78, 5486740), (84, 5094830), (91, 4702920), (104, 4115055), (105, 4075864), (120, 3566381), (130, 3292044), (140, 3056898), (156, 2743370), (168, 2547415), (182, 2351460), (195, 2194696), (210, 2037932), (260, 1646022), (273, 1567640), (280, 1528449), (312, 1371685), (364, 1175730), (390, 1097348), (420, 1018966), (455, 940584), (520, 823011), (546, 783820), (728, 587865), (780, 548674), (840, 509483), (910, 470292), (1092, 391910), (1365, 313528), (1560, 274337), (1820, 235146), (2184, 195955), (2730, 156764), (3640, 117573), (5460, 78382), (10920, 39191)]