624173840

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{389}}^1\times {\mathrm{647}}^1$

素因数の和:1080

約数の個数: 80

約数和(自身を含む): 1504189440

約数和(自身を除く): 880015600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 389, 496, 620, 647, 778, 1240, 1294, 1556, 1945, 2480, 2588, 3112, 3235, 3890, 5176, 6224, 6470, 7780, 10352, 12059, 12940, 15560, 20057, 24118, 25880, 31120, 40114, 48236, 51760, 60295, 80228, 96472, 100285, 120590, 160456, 192944, 200570, 241180, 251683, 320912, 401140, 482360, 503366, 802280, 964720, 1006732, 1258415, 1604560, 2013464, 2516830, 4026928, 5033660, 7802173, 10067320, 15604346, 20134640, 31208692, 39010865, 62417384, 78021730, 124834768, 156043460, 312086920, 624173840]

約数ペア:

[(1, 624173840), (2, 312086920), (4, 156043460), (5, 124834768), (8, 78021730), (10, 62417384), (16, 39010865), (20, 31208692), (31, 20134640), (40, 15604346), (62, 10067320), (80, 7802173), (124, 5033660), (155, 4026928), (248, 2516830), (310, 2013464), (389, 1604560), (496, 1258415), (620, 1006732), (647, 964720), (778, 802280), (1240, 503366), (1294, 482360), (1556, 401140), (1945, 320912), (2480, 251683), (2588, 241180), (3112, 200570), (3235, 192944), (3890, 160456), (5176, 120590), (6224, 100285), (6470, 96472), (7780, 80228), (10352, 60295), (12059, 51760), (12940, 48236), (15560, 40114), (20057, 31120), (24118, 25880)]