87998820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{227}}^1$

素因数の和:330

約数の個数: 192

約数和(自身を含む): 308883456

約数和(自身を除く): 220884636

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 71, 78, 84, 91, 105, 130, 140, 142, 156, 182, 195, 210, 213, 227, 260, 273, 284, 355, 364, 390, 420, 426, 454, 455, 497, 546, 681, 710, 780, 852, 908, 910, 923, 994, 1065, 1092, 1135, 1362, 1365, 1420, 1491, 1589, 1820, 1846, 1988, 2130, 2270, 2485, 2724, 2730, 2769, 2951, 2982, 3178, 3405, 3692, 4260, 4540, 4615, 4767, 4970, 5460, 5538, 5902, 5964, 6356, 6461, 6810, 7455, 7945, 8853, 9230, 9534, 9940, 11076, 11804, 12922, 13620, 13845, 14755, 14910, 15890, 16117, 17706, 18460, 19068, 19383, 20657, 23835, 25844, 27690, 29510, 29820, 31780, 32234, 32305, 35412, 38766, 41314, 44265, 47670, 48351, 55380, 59020, 61971, 64468, 64610, 77532, 80585, 82628, 88530, 95340, 96702, 96915, 103285, 112819, 123942, 129220, 161170, 177060, 193404, 193830, 206570, 209521, 225638, 241755, 247884, 309855, 322340, 338457, 387660, 413140, 419042, 451276, 483510, 564095, 619710, 628563, 676914, 838084, 967020, 1047605, 1128190, 1239420, 1257126, 1353828, 1466647, 1692285, 2095210, 2256380, 2514252, 2933294, 3142815, 3384570, 4190420, 4399941, 5866588, 6285630, 6769140, 7333235, 8799882, 12571260, 14666470, 17599764, 21999705, 29332940, 43999410, 87998820]

約数ペア:

[(1, 87998820), (2, 43999410), (3, 29332940), (4, 21999705), (5, 17599764), (6, 14666470), (7, 12571260), (10, 8799882), (12, 7333235), (13, 6769140), (14, 6285630), (15, 5866588), (20, 4399941), (21, 4190420), (26, 3384570), (28, 3142815), (30, 2933294), (35, 2514252), (39, 2256380), (42, 2095210), (52, 1692285), (60, 1466647), (65, 1353828), (70, 1257126), (71, 1239420), (78, 1128190), (84, 1047605), (91, 967020), (105, 838084), (130, 676914), (140, 628563), (142, 619710), (156, 564095), (182, 483510), (195, 451276), (210, 419042), (213, 413140), (227, 387660), (260, 338457), (273, 322340), (284, 309855), (355, 247884), (364, 241755), (390, 225638), (420, 209521), (426, 206570), (454, 193830), (455, 193404), (497, 177060), (546, 161170), (681, 129220), (710, 123942), (780, 112819), (852, 103285), (908, 96915), (910, 96702), (923, 95340), (994, 88530), (1065, 82628), (1092, 80585), (1135, 77532), (1362, 64610), (1365, 64468), (1420, 61971), (1491, 59020), (1589, 55380), (1820, 48351), (1846, 47670), (1988, 44265), (2130, 41314), (2270, 38766), (2485, 35412), (2724, 32305), (2730, 32234), (2769, 31780), (2951, 29820), (2982, 29510), (3178, 27690), (3405, 25844), (3692, 23835), (4260, 20657), (4540, 19383), (4615, 19068), (4767, 18460), (4970, 17706), (5460, 16117), (5538, 15890), (5902, 14910), (5964, 14755), (6356, 13845), (6461, 13620), (6810, 12922), (7455, 11804), (7945, 11076), (8853, 9940), (9230, 9534)]