20123015880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{192971}}^1$

素因数の和:193075

約数の個数: 128

約数和(自身を含む): 66691123200

約数和(自身を除く): 46568107320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 79, 88, 110, 120, 132, 158, 165, 220, 237, 264, 316, 330, 395, 440, 474, 632, 660, 790, 869, 948, 1185, 1320, 1580, 1738, 1896, 2370, 2607, 3160, 3476, 4345, 4740, 5214, 6952, 8690, 9480, 10428, 13035, 17380, 20856, 26070, 34760, 52140, 104280, 192971, 385942, 578913, 771884, 964855, 1157826, 1543768, 1929710, 2122681, 2315652, 2894565, 3859420, 4245362, 4631304, 5789130, 6368043, 7718840, 8490724, 10613405, 11578260, 12736086, 15244709, 16981448, 21226810, 23156520, 25472172, 30489418, 31840215, 42453620, 45734127, 50944344, 60978836, 63680430, 76223545, 84907240, 91468254, 121957672, 127360860, 152447090, 167691799, 182936508, 228670635, 254721720, 304894180, 335383598, 365873016, 457341270, 503075397, 609788360, 670767196, 838458995, 914682540, 1006150794, 1341534392, 1676917990, 1829365080, 2012301588, 2515376985, 3353835980, 4024603176, 5030753970, 6707671960, 10061507940, 20123015880]

約数ペア:

[(1, 20123015880), (2, 10061507940), (3, 6707671960), (4, 5030753970), (5, 4024603176), (6, 3353835980), (8, 2515376985), (10, 2012301588), (11, 1829365080), (12, 1676917990), (15, 1341534392), (20, 1006150794), (22, 914682540), (24, 838458995), (30, 670767196), (33, 609788360), (40, 503075397), (44, 457341270), (55, 365873016), (60, 335383598), (66, 304894180), (79, 254721720), (88, 228670635), (110, 182936508), (120, 167691799), (132, 152447090), (158, 127360860), (165, 121957672), (220, 91468254), (237, 84907240), (264, 76223545), (316, 63680430), (330, 60978836), (395, 50944344), (440, 45734127), (474, 42453620), (632, 31840215), (660, 30489418), (790, 25472172), (869, 23156520), (948, 21226810), (1185, 16981448), (1320, 15244709), (1580, 12736086), (1738, 11578260), (1896, 10613405), (2370, 8490724), (2607, 7718840), (3160, 6368043), (3476, 5789130), (4345, 4631304), (4740, 4245362), (5214, 3859420), (6952, 2894565), (8690, 2315652), (9480, 2122681), (10428, 1929710), (13035, 1543768), (17380, 1157826), (20856, 964855), (26070, 771884), (34760, 578913), (52140, 385942), (104280, 192971)]