1423240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1$

素因数の和:71

約数の個数: 128

約数和(自身を含む): 4354560

約数和(自身を除く): 2931320

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 17, 20, 23, 26, 28, 34, 35, 40, 46, 52, 56, 65, 68, 70, 85, 91, 92, 104, 115, 119, 130, 136, 140, 161, 170, 182, 184, 221, 230, 238, 260, 280, 299, 322, 340, 364, 391, 442, 455, 460, 476, 520, 595, 598, 644, 680, 728, 782, 805, 884, 910, 920, 952, 1105, 1190, 1196, 1288, 1495, 1547, 1564, 1610, 1768, 1820, 1955, 2093, 2210, 2380, 2392, 2737, 2990, 3094, 3128, 3220, 3640, 3910, 4186, 4420, 4760, 5083, 5474, 5980, 6188, 6440, 7735, 7820, 8372, 8840, 10166, 10465, 10948, 11960, 12376, 13685, 15470, 15640, 16744, 20332, 20930, 21896, 25415, 27370, 30940, 35581, 40664, 41860, 50830, 54740, 61880, 71162, 83720, 101660, 109480, 142324, 177905, 203320, 284648, 355810, 711620, 1423240]

約数ペア:

[(1, 1423240), (2, 711620), (4, 355810), (5, 284648), (7, 203320), (8, 177905), (10, 142324), (13, 109480), (14, 101660), (17, 83720), (20, 71162), (23, 61880), (26, 54740), (28, 50830), (34, 41860), (35, 40664), (40, 35581), (46, 30940), (52, 27370), (56, 25415), (65, 21896), (68, 20930), (70, 20332), (85, 16744), (91, 15640), (92, 15470), (104, 13685), (115, 12376), (119, 11960), (130, 10948), (136, 10465), (140, 10166), (161, 8840), (170, 8372), (182, 7820), (184, 7735), (221, 6440), (230, 6188), (238, 5980), (260, 5474), (280, 5083), (299, 4760), (322, 4420), (340, 4186), (364, 3910), (391, 3640), (442, 3220), (455, 3128), (460, 3094), (476, 2990), (520, 2737), (595, 2392), (598, 2380), (644, 2210), (680, 2093), (728, 1955), (782, 1820), (805, 1768), (884, 1610), (910, 1564), (920, 1547), (952, 1495), (1105, 1288), (1190, 1196)]