25143840

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{919}}^1$

素因数の和:959

約数の個数: 144

約数和(自身を含む): 90417600

約数和(自身を除く): 65273760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 32, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 96, 114, 120, 144, 152, 160, 171, 180, 190, 228, 240, 285, 288, 304, 342, 360, 380, 456, 480, 570, 608, 684, 720, 760, 855, 912, 919, 1140, 1368, 1440, 1520, 1710, 1824, 1838, 2280, 2736, 2757, 3040, 3420, 3676, 4560, 4595, 5472, 5514, 6840, 7352, 8271, 9120, 9190, 11028, 13680, 13785, 14704, 16542, 17461, 18380, 22056, 27360, 27570, 29408, 33084, 34922, 36760, 41355, 44112, 52383, 55140, 66168, 69844, 73520, 82710, 87305, 88224, 104766, 110280, 132336, 139688, 147040, 157149, 165420, 174610, 209532, 220560, 261915, 264672, 279376, 314298, 330840, 349220, 419064, 441120, 523830, 558752, 628596, 661680, 698440, 785745, 838128, 1047660, 1257192, 1323360, 1396880, 1571490, 1676256, 2095320, 2514384, 2793760, 3142980, 4190640, 5028768, 6285960, 8381280, 12571920, 25143840]

約数ペア:

[(1, 25143840), (2, 12571920), (3, 8381280), (4, 6285960), (5, 5028768), (6, 4190640), (8, 3142980), (9, 2793760), (10, 2514384), (12, 2095320), (15, 1676256), (16, 1571490), (18, 1396880), (19, 1323360), (20, 1257192), (24, 1047660), (30, 838128), (32, 785745), (36, 698440), (38, 661680), (40, 628596), (45, 558752), (48, 523830), (57, 441120), (60, 419064), (72, 349220), (76, 330840), (80, 314298), (90, 279376), (95, 264672), (96, 261915), (114, 220560), (120, 209532), (144, 174610), (152, 165420), (160, 157149), (171, 147040), (180, 139688), (190, 132336), (228, 110280), (240, 104766), (285, 88224), (288, 87305), (304, 82710), (342, 73520), (360, 69844), (380, 66168), (456, 55140), (480, 52383), (570, 44112), (608, 41355), (684, 36760), (720, 34922), (760, 33084), (855, 29408), (912, 27570), (919, 27360), (1140, 22056), (1368, 18380), (1440, 17461), (1520, 16542), (1710, 14704), (1824, 13785), (1838, 13680), (2280, 11028), (2736, 9190), (2757, 9120), (3040, 8271), (3420, 7352), (3676, 6840), (4560, 5514), (4595, 5472)]