387910980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{12457}}^1$

素因数の和:12645

約数の個数: 72

約数和(自身を含む): 1183559832

約数和(自身を除く): 795648852

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 173, 180, 346, 519, 692, 865, 1038, 1557, 1730, 2076, 2595, 3114, 3460, 5190, 6228, 7785, 10380, 12457, 15570, 24914, 31140, 37371, 49828, 62285, 74742, 112113, 124570, 149484, 186855, 224226, 249140, 373710, 448452, 560565, 747420, 1121130, 2155061, 2242260, 4310122, 6465183, 8620244, 10775305, 12930366, 19395549, 21550610, 25860732, 32325915, 38791098, 43101220, 64651830, 77582196, 96977745, 129303660, 193955490, 387910980]

約数ペア:

[(1, 387910980), (2, 193955490), (3, 129303660), (4, 96977745), (5, 77582196), (6, 64651830), (9, 43101220), (10, 38791098), (12, 32325915), (15, 25860732), (18, 21550610), (20, 19395549), (30, 12930366), (36, 10775305), (45, 8620244), (60, 6465183), (90, 4310122), (173, 2242260), (180, 2155061), (346, 1121130), (519, 747420), (692, 560565), (865, 448452), (1038, 373710), (1557, 249140), (1730, 224226), (2076, 186855), (2595, 149484), (3114, 124570), (3460, 112113), (5190, 74742), (6228, 62285), (7785, 49828), (10380, 37371), (12457, 31140), (15570, 24914)]