8321820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{227}}^1$

素因数の和:299

約数の個数: 96

約数和(自身を含む): 25740288

約数和(自身を除く): 17418468

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 47, 52, 60, 65, 78, 94, 130, 141, 156, 188, 195, 227, 235, 260, 282, 390, 454, 470, 564, 611, 681, 705, 780, 908, 940, 1135, 1222, 1362, 1410, 1833, 2270, 2444, 2724, 2820, 2951, 3055, 3405, 3666, 4540, 5902, 6110, 6810, 7332, 8853, 9165, 10669, 11804, 12220, 13620, 14755, 17706, 18330, 21338, 29510, 32007, 35412, 36660, 42676, 44265, 53345, 59020, 64014, 88530, 106690, 128028, 138697, 160035, 177060, 213380, 277394, 320070, 416091, 554788, 640140, 693485, 832182, 1386970, 1664364, 2080455, 2773940, 4160910, 8321820]

約数ペア:

[(1, 8321820), (2, 4160910), (3, 2773940), (4, 2080455), (5, 1664364), (6, 1386970), (10, 832182), (12, 693485), (13, 640140), (15, 554788), (20, 416091), (26, 320070), (30, 277394), (39, 213380), (47, 177060), (52, 160035), (60, 138697), (65, 128028), (78, 106690), (94, 88530), (130, 64014), (141, 59020), (156, 53345), (188, 44265), (195, 42676), (227, 36660), (235, 35412), (260, 32007), (282, 29510), (390, 21338), (454, 18330), (470, 17706), (564, 14755), (611, 13620), (681, 12220), (705, 11804), (780, 10669), (908, 9165), (940, 8853), (1135, 7332), (1222, 6810), (1362, 6110), (1410, 5902), (1833, 4540), (2270, 3666), (2444, 3405), (2724, 3055), (2820, 2951)]