31291260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{521}}^1$

素因数の和:564

約数の個数: 192

約数和(自身を含む): 117863424

約数和(自身を除く): 86572164

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 13, 14, 15, 20, 21, 22, 26, 28, 30, 33, 35, 39, 42, 44, 52, 55, 60, 65, 66, 70, 77, 78, 84, 91, 105, 110, 130, 132, 140, 143, 154, 156, 165, 182, 195, 210, 220, 231, 260, 273, 286, 308, 330, 364, 385, 390, 420, 429, 455, 462, 521, 546, 572, 660, 715, 770, 780, 858, 910, 924, 1001, 1042, 1092, 1155, 1365, 1430, 1540, 1563, 1716, 1820, 2002, 2084, 2145, 2310, 2605, 2730, 2860, 3003, 3126, 3647, 4004, 4290, 4620, 5005, 5210, 5460, 5731, 6006, 6252, 6773, 7294, 7815, 8580, 10010, 10420, 10941, 11462, 12012, 13546, 14588, 15015, 15630, 17193, 18235, 20020, 20319, 21882, 22924, 27092, 28655, 30030, 31260, 33865, 34386, 36470, 40117, 40638, 43764, 47411, 54705, 57310, 60060, 67730, 68772, 72940, 74503, 80234, 81276, 85965, 94822, 101595, 109410, 114620, 120351, 135460, 142233, 149006, 160468, 171930, 189644, 200585, 203190, 218820, 223509, 237055, 240702, 284466, 298012, 343860, 372515, 401170, 406380, 447018, 474110, 481404, 521521, 568932, 601755, 711165, 745030, 802340, 894036, 948220, 1043042, 1117545, 1203510, 1422330, 1490060, 1564563, 2086084, 2235090, 2407020, 2607605, 2844660, 3129126, 4470180, 5215210, 6258252, 7822815, 10430420, 15645630, 31291260]

約数ペア:

[(1, 31291260), (2, 15645630), (3, 10430420), (4, 7822815), (5, 6258252), (6, 5215210), (7, 4470180), (10, 3129126), (11, 2844660), (12, 2607605), (13, 2407020), (14, 2235090), (15, 2086084), (20, 1564563), (21, 1490060), (22, 1422330), (26, 1203510), (28, 1117545), (30, 1043042), (33, 948220), (35, 894036), (39, 802340), (42, 745030), (44, 711165), (52, 601755), (55, 568932), (60, 521521), (65, 481404), (66, 474110), (70, 447018), (77, 406380), (78, 401170), (84, 372515), (91, 343860), (105, 298012), (110, 284466), (130, 240702), (132, 237055), (140, 223509), (143, 218820), (154, 203190), (156, 200585), (165, 189644), (182, 171930), (195, 160468), (210, 149006), (220, 142233), (231, 135460), (260, 120351), (273, 114620), (286, 109410), (308, 101595), (330, 94822), (364, 85965), (385, 81276), (390, 80234), (420, 74503), (429, 72940), (455, 68772), (462, 67730), (521, 60060), (546, 57310), (572, 54705), (660, 47411), (715, 43764), (770, 40638), (780, 40117), (858, 36470), (910, 34386), (924, 33865), (1001, 31260), (1042, 30030), (1092, 28655), (1155, 27092), (1365, 22924), (1430, 21882), (1540, 20319), (1563, 20020), (1716, 18235), (1820, 17193), (2002, 15630), (2084, 15015), (2145, 14588), (2310, 13546), (2605, 12012), (2730, 11462), (2860, 10941), (3003, 10420), (3126, 10010), (3647, 8580), (4004, 7815), (4290, 7294), (4620, 6773), (5005, 6252), (5210, 6006), (5460, 5731)]