1081567160

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1\times {\mathrm{2039}}^1$

素因数の和:2288

約数の個数: 64

約数和(自身を含む): 2478600000

約数和(自身を除く): 1397032840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 149, 178, 298, 356, 445, 596, 712, 745, 890, 1192, 1490, 1780, 2039, 2980, 3560, 4078, 5960, 8156, 10195, 13261, 16312, 20390, 26522, 40780, 53044, 66305, 81560, 106088, 132610, 181471, 265220, 303811, 362942, 530440, 607622, 725884, 907355, 1215244, 1451768, 1519055, 1814710, 2430488, 3038110, 3629420, 6076220, 7258840, 12152440, 27039179, 54078358, 108156716, 135195895, 216313432, 270391790, 540783580, 1081567160]

約数ペア:

[(1, 1081567160), (2, 540783580), (4, 270391790), (5, 216313432), (8, 135195895), (10, 108156716), (20, 54078358), (40, 27039179), (89, 12152440), (149, 7258840), (178, 6076220), (298, 3629420), (356, 3038110), (445, 2430488), (596, 1814710), (712, 1519055), (745, 1451768), (890, 1215244), (1192, 907355), (1490, 725884), (1780, 607622), (2039, 530440), (2980, 362942), (3560, 303811), (4078, 265220), (5960, 181471), (8156, 132610), (10195, 106088), (13261, 81560), (16312, 66305), (20390, 53044), (26522, 40780)]