131135580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{331}}^1$

素因数の和:448

約数の個数: 144

約数和(自身を含む): 417650688

約数和(自身を除く): 286515108

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 71, 90, 93, 124, 142, 155, 180, 186, 213, 279, 284, 310, 331, 355, 372, 426, 465, 558, 620, 639, 662, 710, 852, 930, 993, 1065, 1116, 1278, 1324, 1395, 1420, 1655, 1860, 1986, 2130, 2201, 2556, 2790, 2979, 3195, 3310, 3972, 4260, 4402, 4965, 5580, 5958, 6390, 6603, 6620, 8804, 9930, 10261, 11005, 11916, 12780, 13206, 14895, 19809, 19860, 20522, 22010, 23501, 26412, 29790, 30783, 33015, 39618, 41044, 44020, 47002, 51305, 59580, 61566, 66030, 70503, 79236, 92349, 94004, 99045, 102610, 117505, 123132, 132060, 141006, 153915, 184698, 198090, 205220, 211509, 235010, 282012, 307830, 352515, 369396, 396180, 423018, 461745, 470020, 615660, 705030, 728531, 846036, 923490, 1057545, 1410060, 1457062, 1846980, 2115090, 2185593, 2914124, 3642655, 4230180, 4371186, 6556779, 7285310, 8742372, 10927965, 13113558, 14570620, 21855930, 26227116, 32783895, 43711860, 65567790, 131135580]

約数ペア:

[(1, 131135580), (2, 65567790), (3, 43711860), (4, 32783895), (5, 26227116), (6, 21855930), (9, 14570620), (10, 13113558), (12, 10927965), (15, 8742372), (18, 7285310), (20, 6556779), (30, 4371186), (31, 4230180), (36, 3642655), (45, 2914124), (60, 2185593), (62, 2115090), (71, 1846980), (90, 1457062), (93, 1410060), (124, 1057545), (142, 923490), (155, 846036), (180, 728531), (186, 705030), (213, 615660), (279, 470020), (284, 461745), (310, 423018), (331, 396180), (355, 369396), (372, 352515), (426, 307830), (465, 282012), (558, 235010), (620, 211509), (639, 205220), (662, 198090), (710, 184698), (852, 153915), (930, 141006), (993, 132060), (1065, 123132), (1116, 117505), (1278, 102610), (1324, 99045), (1395, 94004), (1420, 92349), (1655, 79236), (1860, 70503), (1986, 66030), (2130, 61566), (2201, 59580), (2556, 51305), (2790, 47002), (2979, 44020), (3195, 41044), (3310, 39618), (3972, 33015), (4260, 30783), (4402, 29790), (4965, 26412), (5580, 23501), (5958, 22010), (6390, 20522), (6603, 19860), (6620, 19809), (8804, 14895), (9930, 13206), (10261, 12780), (11005, 11916)]