25841520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1889}}^1$

素因数の和:1927

約数の個数: 120

約数和(自身を含む): 91400400

約数和(自身を除く): 65558880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 114, 120, 144, 152, 171, 180, 190, 228, 240, 285, 304, 342, 360, 380, 456, 570, 684, 720, 760, 855, 912, 1140, 1368, 1520, 1710, 1889, 2280, 2736, 3420, 3778, 4560, 5667, 6840, 7556, 9445, 11334, 13680, 15112, 17001, 18890, 22668, 28335, 30224, 34002, 35891, 37780, 45336, 56670, 68004, 71782, 75560, 85005, 90672, 107673, 113340, 136008, 143564, 151120, 170010, 179455, 215346, 226680, 272016, 287128, 323019, 340020, 358910, 430692, 453360, 538365, 574256, 646038, 680040, 717820, 861384, 1076730, 1292076, 1360080, 1435640, 1615095, 1722768, 2153460, 2584152, 2871280, 3230190, 4306920, 5168304, 6460380, 8613840, 12920760, 25841520]

約数ペア:

[(1, 25841520), (2, 12920760), (3, 8613840), (4, 6460380), (5, 5168304), (6, 4306920), (8, 3230190), (9, 2871280), (10, 2584152), (12, 2153460), (15, 1722768), (16, 1615095), (18, 1435640), (19, 1360080), (20, 1292076), (24, 1076730), (30, 861384), (36, 717820), (38, 680040), (40, 646038), (45, 574256), (48, 538365), (57, 453360), (60, 430692), (72, 358910), (76, 340020), (80, 323019), (90, 287128), (95, 272016), (114, 226680), (120, 215346), (144, 179455), (152, 170010), (171, 151120), (180, 143564), (190, 136008), (228, 113340), (240, 107673), (285, 90672), (304, 85005), (342, 75560), (360, 71782), (380, 68004), (456, 56670), (570, 45336), (684, 37780), (720, 35891), (760, 34002), (855, 30224), (912, 28335), (1140, 22668), (1368, 18890), (1520, 17001), (1710, 15112), (1889, 13680), (2280, 11334), (2736, 9445), (3420, 7556), (3778, 6840), (4560, 5667)]