144436720

素因数分解:

$2^4\times 5^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{431}}^1$

素因数の和:574

約数の個数: 80

約数和(自身を含む): 347120640

約数和(自身を除く): 202683920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 59, 71, 80, 118, 142, 236, 284, 295, 355, 431, 472, 568, 590, 710, 862, 944, 1136, 1180, 1420, 1724, 2155, 2360, 2840, 3448, 4189, 4310, 4720, 5680, 6896, 8378, 8620, 16756, 17240, 20945, 25429, 30601, 33512, 34480, 41890, 50858, 61202, 67024, 83780, 101716, 122404, 127145, 153005, 167560, 203432, 244808, 254290, 306010, 335120, 406864, 489616, 508580, 612020, 1017160, 1224040, 1805459, 2034320, 2448080, 3610918, 7221836, 9027295, 14443672, 18054590, 28887344, 36109180, 72218360, 144436720]

約数ペア:

[(1, 144436720), (2, 72218360), (4, 36109180), (5, 28887344), (8, 18054590), (10, 14443672), (16, 9027295), (20, 7221836), (40, 3610918), (59, 2448080), (71, 2034320), (80, 1805459), (118, 1224040), (142, 1017160), (236, 612020), (284, 508580), (295, 489616), (355, 406864), (431, 335120), (472, 306010), (568, 254290), (590, 244808), (710, 203432), (862, 167560), (944, 153005), (1136, 127145), (1180, 122404), (1420, 101716), (1724, 83780), (2155, 67024), (2360, 61202), (2840, 50858), (3448, 41890), (4189, 34480), (4310, 33512), (4720, 30601), (5680, 25429), (6896, 20945), (8378, 17240), (8620, 16756)]