138266820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{349}}^1$

素因数の和:466

約数の個数: 144

約数和(自身を含む): 440294400

約数和(自身を除く): 302027580

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, 349, 355, 372, 426, 465, 558, 620, 639, 698, 710, 852, 930, 1047, 1065, 1116, 1278, 1395, 1396, 1420, 1745, 1860, 2094, 2130, 2201, 2556, 2790, 3141, 3195, 3490, 4188, 4260, 4402, 5235, 5580, 6282, 6390, 6603, 6980, 8804, 10470, 10819, 11005, 12564, 12780, 13206, 15705, 19809, 20940, 21638, 22010, 24779, 26412, 31410, 32457, 33015, 39618, 43276, 44020, 49558, 54095, 62820, 64914, 66030, 74337, 79236, 97371, 99045, 99116, 108190, 123895, 129828, 132060, 148674, 162285, 194742, 198090, 216380, 223011, 247790, 297348, 324570, 371685, 389484, 396180, 446022, 486855, 495580, 649140, 743370, 768149, 892044, 973710, 1115055, 1486740, 1536298, 1947420, 2230110, 2304447, 3072596, 3840745, 4460220, 4608894, 6913341, 7681490, 9217788, 11522235, 13826682, 15362980, 23044470, 27653364, 34566705, 46088940, 69133410, 138266820]

約数ペア:

[(1, 138266820), (2, 69133410), (3, 46088940), (4, 34566705), (5, 27653364), (6, 23044470), (9, 15362980), (10, 13826682), (12, 11522235), (15, 9217788), (18, 7681490), (20, 6913341), (30, 4608894), (31, 4460220), (36, 3840745), (45, 3072596), (60, 2304447), (62, 2230110), (71, 1947420), (90, 1536298), (93, 1486740), (124, 1115055), (142, 973710), (155, 892044), (180, 768149), (186, 743370), (213, 649140), (279, 495580), (284, 486855), (310, 446022), (349, 396180), (355, 389484), (372, 371685), (426, 324570), (465, 297348), (558, 247790), (620, 223011), (639, 216380), (698, 198090), (710, 194742), (852, 162285), (930, 148674), (1047, 132060), (1065, 129828), (1116, 123895), (1278, 108190), (1395, 99116), (1396, 99045), (1420, 97371), (1745, 79236), (1860, 74337), (2094, 66030), (2130, 64914), (2201, 62820), (2556, 54095), (2790, 49558), (3141, 44020), (3195, 43276), (3490, 39618), (4188, 33015), (4260, 32457), (4402, 31410), (5235, 26412), (5580, 24779), (6282, 22010), (6390, 21638), (6603, 20940), (6980, 19809), (8804, 15705), (10470, 13206), (10819, 12780), (11005, 12564)]