15721286945

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{4651}}^1$

素因数の和:4735

約数の個数: 128

約数和(自身を含む): 27009884160

約数和(自身を除く): 11288597215

約数列:

[1, 5, 7, 13, 17, 19, 23, 35, 65, 85, 91, 95, 115, 119, 133, 161, 221, 247, 299, 323, 391, 437, 455, 595, 665, 805, 1105, 1235, 1495, 1547, 1615, 1729, 1955, 2093, 2185, 2261, 2737, 3059, 4199, 4651, 5083, 5681, 7429, 7735, 8645, 10465, 11305, 13685, 15295, 20995, 23255, 25415, 28405, 29393, 32557, 35581, 37145, 39767, 52003, 60463, 79067, 88369, 96577, 106973, 146965, 162785, 177905, 198835, 260015, 302315, 395335, 423241, 441845, 482885, 534865, 553469, 618583, 676039, 748811, 1027871, 1148797, 1390649, 1502273, 1818541, 2032487, 2116205, 2767345, 3092915, 3380195, 3744055, 5139355, 5743985, 6953245, 7195097, 7511365, 8041579, 9092705, 9734543, 10162435, 10515911, 12729787, 14227409, 19529549, 23641033, 26422331, 34552279, 35975485, 40207895, 48672715, 52579555, 63648935, 71137045, 97647745, 118205165, 132111655, 136706843, 165487231, 172761395, 184956317, 241865953, 449179627, 683534215, 827436155, 924781585, 1209329765, 2245898135, 3144257389, 15721286945]

約数ペア:

[(1, 15721286945), (5, 3144257389), (7, 2245898135), (13, 1209329765), (17, 924781585), (19, 827436155), (23, 683534215), (35, 449179627), (65, 241865953), (85, 184956317), (91, 172761395), (95, 165487231), (115, 136706843), (119, 132111655), (133, 118205165), (161, 97647745), (221, 71137045), (247, 63648935), (299, 52579555), (323, 48672715), (391, 40207895), (437, 35975485), (455, 34552279), (595, 26422331), (665, 23641033), (805, 19529549), (1105, 14227409), (1235, 12729787), (1495, 10515911), (1547, 10162435), (1615, 9734543), (1729, 9092705), (1955, 8041579), (2093, 7511365), (2185, 7195097), (2261, 6953245), (2737, 5743985), (3059, 5139355), (4199, 3744055), (4651, 3380195), (5083, 3092915), (5681, 2767345), (7429, 2116205), (7735, 2032487), (8645, 1818541), (10465, 1502273), (11305, 1390649), (13685, 1148797), (15295, 1027871), (20995, 748811), (23255, 676039), (25415, 618583), (28405, 553469), (29393, 534865), (32557, 482885), (35581, 441845), (37145, 423241), (39767, 395335), (52003, 302315), (60463, 260015), (79067, 198835), (88369, 177905), (96577, 162785), (106973, 146965)]