72123040

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{953}}^1$

素因数の和:1022

約数の個数: 96

約数和(自身を含む): 190403136

約数和(自身を除く): 118280096

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 43, 44, 55, 80, 86, 88, 110, 160, 172, 176, 215, 220, 344, 352, 430, 440, 473, 688, 860, 880, 946, 953, 1376, 1720, 1760, 1892, 1906, 2365, 3440, 3784, 3812, 4730, 4765, 6880, 7568, 7624, 9460, 9530, 10483, 15136, 15248, 18920, 19060, 20966, 30496, 37840, 38120, 40979, 41932, 52415, 75680, 76240, 81958, 83864, 104830, 152480, 163916, 167728, 204895, 209660, 327832, 335456, 409790, 419320, 450769, 655664, 819580, 838640, 901538, 1311328, 1639160, 1677280, 1803076, 2253845, 3278320, 3606152, 4507690, 6556640, 7212304, 9015380, 14424608, 18030760, 36061520, 72123040]

約数ペア:

[(1, 72123040), (2, 36061520), (4, 18030760), (5, 14424608), (8, 9015380), (10, 7212304), (11, 6556640), (16, 4507690), (20, 3606152), (22, 3278320), (32, 2253845), (40, 1803076), (43, 1677280), (44, 1639160), (55, 1311328), (80, 901538), (86, 838640), (88, 819580), (110, 655664), (160, 450769), (172, 419320), (176, 409790), (215, 335456), (220, 327832), (344, 209660), (352, 204895), (430, 167728), (440, 163916), (473, 152480), (688, 104830), (860, 83864), (880, 81958), (946, 76240), (953, 75680), (1376, 52415), (1720, 41932), (1760, 40979), (1892, 38120), (1906, 37840), (2365, 30496), (3440, 20966), (3784, 19060), (3812, 18920), (4730, 15248), (4765, 15136), (6880, 10483), (7568, 9530), (7624, 9460)]