204542520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{18731}}^1$

素因数の和:18765

約数の個数: 128

約数和(自身を含む): 755274240

約数和(自身を除く): 550731720

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, 18731, 37462, 56193, 74924, 93655, 112386, 131117, 149848, 187310, 224772, 243503, 262234, 280965, 374620, 393351, 449544, 487006, 524468, 561930, 655585, 730509, 749240, 786702, 974012, 1048936, 1123860, 1217515, 1311170, 1461018, 1573404, 1704521, 1948024, 1966755, 2247720, 2435030, 2622340, 2922036, 3146808, 3409042, 3652545, 3933510, 4870060, 5113563, 5244680, 5844072, 6818084, 7305090, 7867020, 8522605, 9740120, 10227126, 13636168, 14610180, 15734040, 17045210, 20454252, 25567815, 29220360, 34090420, 40908504, 51135630, 68180840, 102271260, 204542520]

約数ペア:

[(1, 204542520), (2, 102271260), (3, 68180840), (4, 51135630), (5, 40908504), (6, 34090420), (7, 29220360), (8, 25567815), (10, 20454252), (12, 17045210), (13, 15734040), (14, 14610180), (15, 13636168), (20, 10227126), (21, 9740120), (24, 8522605), (26, 7867020), (28, 7305090), (30, 6818084), (35, 5844072), (39, 5244680), (40, 5113563), (42, 4870060), (52, 3933510), (56, 3652545), (60, 3409042), (65, 3146808), (70, 2922036), (78, 2622340), (84, 2435030), (91, 2247720), (104, 1966755), (105, 1948024), (120, 1704521), (130, 1573404), (140, 1461018), (156, 1311170), (168, 1217515), (182, 1123860), (195, 1048936), (210, 974012), (260, 786702), (273, 749240), (280, 730509), (312, 655585), (364, 561930), (390, 524468), (420, 487006), (455, 449544), (520, 393351), (546, 374620), (728, 280965), (780, 262234), (840, 243503), (910, 224772), (1092, 187310), (1365, 149848), (1560, 131117), (1820, 112386), (2184, 93655), (2730, 74924), (3640, 56193), (5460, 37462), (10920, 18731)]