1987130520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{809}}^1\times {\mathrm{6823}}^1$

素因数の和:7649

約数の個数: 96

約数和(自身を含む): 6467104800

約数和(自身を除く): 4479974280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 809, 1618, 2427, 3236, 4045, 4854, 6472, 6823, 7281, 8090, 9708, 12135, 13646, 14562, 16180, 19416, 20469, 24270, 27292, 29124, 32360, 34115, 36405, 40938, 48540, 54584, 58248, 61407, 68230, 72810, 81876, 97080, 102345, 122814, 136460, 145620, 163752, 204690, 245628, 272920, 291240, 307035, 409380, 491256, 614070, 818760, 1228140, 2456280, 5519807, 11039614, 16559421, 22079228, 27599035, 33118842, 44158456, 49678263, 55198070, 66237684, 82797105, 99356526, 110396140, 132475368, 165594210, 198713052, 220792280, 248391315, 331188420, 397426104, 496782630, 662376840, 993565260, 1987130520]

約数ペア:

[(1, 1987130520), (2, 993565260), (3, 662376840), (4, 496782630), (5, 397426104), (6, 331188420), (8, 248391315), (9, 220792280), (10, 198713052), (12, 165594210), (15, 132475368), (18, 110396140), (20, 99356526), (24, 82797105), (30, 66237684), (36, 55198070), (40, 49678263), (45, 44158456), (60, 33118842), (72, 27599035), (90, 22079228), (120, 16559421), (180, 11039614), (360, 5519807), (809, 2456280), (1618, 1228140), (2427, 818760), (3236, 614070), (4045, 491256), (4854, 409380), (6472, 307035), (6823, 291240), (7281, 272920), (8090, 245628), (9708, 204690), (12135, 163752), (13646, 145620), (14562, 136460), (16180, 122814), (19416, 102345), (20469, 97080), (24270, 81876), (27292, 72810), (29124, 68230), (32360, 61407), (34115, 58248), (36405, 54584), (40938, 48540)]