31302480

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{167}}^1$

素因数の和:265

約数の個数: 160

約数和(自身を含む): 107993088

約数和(自身を除く): 76690608

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 71, 80, 88, 110, 120, 132, 142, 165, 167, 176, 213, 220, 240, 264, 284, 330, 334, 355, 426, 440, 501, 528, 568, 660, 668, 710, 781, 835, 852, 880, 1002, 1065, 1136, 1320, 1336, 1420, 1562, 1670, 1704, 1837, 2004, 2130, 2343, 2505, 2640, 2672, 2840, 3124, 3340, 3408, 3674, 3905, 4008, 4260, 4686, 5010, 5511, 5680, 6248, 6680, 7348, 7810, 8016, 8520, 9185, 9372, 10020, 11022, 11715, 11857, 12496, 13360, 14696, 15620, 17040, 18370, 18744, 20040, 22044, 23430, 23714, 27555, 29392, 31240, 35571, 36740, 37488, 40080, 44088, 46860, 47428, 55110, 59285, 62480, 71142, 73480, 88176, 93720, 94856, 110220, 118570, 130427, 142284, 146960, 177855, 187440, 189712, 220440, 237140, 260854, 284568, 355710, 391281, 440880, 474280, 521708, 569136, 652135, 711420, 782562, 948560, 1043416, 1304270, 1422840, 1565124, 1956405, 2086832, 2608540, 2845680, 3130248, 3912810, 5217080, 6260496, 7825620, 10434160, 15651240, 31302480]

約数ペア:

[(1, 31302480), (2, 15651240), (3, 10434160), (4, 7825620), (5, 6260496), (6, 5217080), (8, 3912810), (10, 3130248), (11, 2845680), (12, 2608540), (15, 2086832), (16, 1956405), (20, 1565124), (22, 1422840), (24, 1304270), (30, 1043416), (33, 948560), (40, 782562), (44, 711420), (48, 652135), (55, 569136), (60, 521708), (66, 474280), (71, 440880), (80, 391281), (88, 355710), (110, 284568), (120, 260854), (132, 237140), (142, 220440), (165, 189712), (167, 187440), (176, 177855), (213, 146960), (220, 142284), (240, 130427), (264, 118570), (284, 110220), (330, 94856), (334, 93720), (355, 88176), (426, 73480), (440, 71142), (501, 62480), (528, 59285), (568, 55110), (660, 47428), (668, 46860), (710, 44088), (781, 40080), (835, 37488), (852, 36740), (880, 35571), (1002, 31240), (1065, 29392), (1136, 27555), (1320, 23714), (1336, 23430), (1420, 22044), (1562, 20040), (1670, 18744), (1704, 18370), (1837, 17040), (2004, 15620), (2130, 14696), (2343, 13360), (2505, 12496), (2640, 11857), (2672, 11715), (2840, 11022), (3124, 10020), (3340, 9372), (3408, 9185), (3674, 8520), (3905, 8016), (4008, 7810), (4260, 7348), (4686, 6680), (5010, 6248), (5511, 5680)]