15875640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1$

素因数の和:258

約数の個数: 192

約数和(自身を含む): 59529600

約数和(自身を除く): 43653960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 19, 20, 22, 24, 30, 33, 36, 38, 40, 44, 45, 55, 57, 60, 66, 72, 76, 88, 90, 95, 99, 110, 114, 120, 132, 152, 165, 171, 180, 190, 198, 209, 211, 220, 228, 264, 285, 330, 342, 360, 380, 396, 418, 422, 440, 456, 495, 570, 627, 633, 660, 684, 760, 792, 836, 844, 855, 990, 1045, 1055, 1140, 1254, 1266, 1320, 1368, 1672, 1688, 1710, 1881, 1899, 1980, 2090, 2110, 2280, 2321, 2508, 2532, 3135, 3165, 3420, 3762, 3798, 3960, 4009, 4180, 4220, 4642, 5016, 5064, 6270, 6330, 6840, 6963, 7524, 7596, 8018, 8360, 8440, 9284, 9405, 9495, 11605, 12027, 12540, 12660, 13926, 15048, 15192, 16036, 18568, 18810, 18990, 20045, 20889, 23210, 24054, 25080, 25320, 27852, 32072, 34815, 36081, 37620, 37980, 40090, 41778, 44099, 46420, 48108, 55704, 60135, 69630, 72162, 75240, 75960, 80180, 83556, 88198, 92840, 96216, 104445, 120270, 132297, 139260, 144324, 160360, 167112, 176396, 180405, 208890, 220495, 240540, 264594, 278520, 288648, 352792, 360810, 396891, 417780, 440990, 481080, 529188, 661485, 721620, 793782, 835560, 881980, 1058376, 1322970, 1443240, 1587564, 1763960, 1984455, 2645940, 3175128, 3968910, 5291880, 7937820, 15875640]

約数ペア:

[(1, 15875640), (2, 7937820), (3, 5291880), (4, 3968910), (5, 3175128), (6, 2645940), (8, 1984455), (9, 1763960), (10, 1587564), (11, 1443240), (12, 1322970), (15, 1058376), (18, 881980), (19, 835560), (20, 793782), (22, 721620), (24, 661485), (30, 529188), (33, 481080), (36, 440990), (38, 417780), (40, 396891), (44, 360810), (45, 352792), (55, 288648), (57, 278520), (60, 264594), (66, 240540), (72, 220495), (76, 208890), (88, 180405), (90, 176396), (95, 167112), (99, 160360), (110, 144324), (114, 139260), (120, 132297), (132, 120270), (152, 104445), (165, 96216), (171, 92840), (180, 88198), (190, 83556), (198, 80180), (209, 75960), (211, 75240), (220, 72162), (228, 69630), (264, 60135), (285, 55704), (330, 48108), (342, 46420), (360, 44099), (380, 41778), (396, 40090), (418, 37980), (422, 37620), (440, 36081), (456, 34815), (495, 32072), (570, 27852), (627, 25320), (633, 25080), (660, 24054), (684, 23210), (760, 20889), (792, 20045), (836, 18990), (844, 18810), (855, 18568), (990, 16036), (1045, 15192), (1055, 15048), (1140, 13926), (1254, 12660), (1266, 12540), (1320, 12027), (1368, 11605), (1672, 9495), (1688, 9405), (1710, 9284), (1881, 8440), (1899, 8360), (1980, 8018), (2090, 7596), (2110, 7524), (2280, 6963), (2321, 6840), (2508, 6330), (2532, 6270), (3135, 5064), (3165, 5016), (3420, 4642), (3762, 4220), (3798, 4180), (3960, 4009)]