245414640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53819}}^1$

素因数の和:53854

約数の個数: 80

約数和(自身を含む): 800841600

約数和(自身を除く): 555426960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 80, 95, 114, 120, 152, 190, 228, 240, 285, 304, 380, 456, 570, 760, 912, 1140, 1520, 2280, 4560, 53819, 107638, 161457, 215276, 269095, 322914, 430552, 538190, 645828, 807285, 861104, 1022561, 1076380, 1291656, 1614570, 2045122, 2152760, 2583312, 3067683, 3229140, 4090244, 4305520, 5112805, 6135366, 6458280, 8180488, 10225610, 12270732, 12916560, 15338415, 16360976, 20451220, 24541464, 30676830, 40902440, 49082928, 61353660, 81804880, 122707320, 245414640]

約数ペア:

[(1, 245414640), (2, 122707320), (3, 81804880), (4, 61353660), (5, 49082928), (6, 40902440), (8, 30676830), (10, 24541464), (12, 20451220), (15, 16360976), (16, 15338415), (19, 12916560), (20, 12270732), (24, 10225610), (30, 8180488), (38, 6458280), (40, 6135366), (48, 5112805), (57, 4305520), (60, 4090244), (76, 3229140), (80, 3067683), (95, 2583312), (114, 2152760), (120, 2045122), (152, 1614570), (190, 1291656), (228, 1076380), (240, 1022561), (285, 861104), (304, 807285), (380, 645828), (456, 538190), (570, 430552), (760, 322914), (912, 269095), (1140, 215276), (1520, 161457), (2280, 107638), (4560, 53819)]