163960240

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{3889}}^1$

素因数の和:3950

約数の個数: 80

約数和(自身を含む): 416759040

約数和(自身を除く): 252798800

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 34, 40, 62, 68, 80, 85, 124, 136, 155, 170, 248, 272, 310, 340, 496, 527, 620, 680, 1054, 1240, 1360, 2108, 2480, 2635, 3889, 4216, 5270, 7778, 8432, 10540, 15556, 19445, 21080, 31112, 38890, 42160, 62224, 66113, 77780, 120559, 132226, 155560, 241118, 264452, 311120, 330565, 482236, 528904, 602795, 661130, 964472, 1057808, 1205590, 1322260, 1928944, 2049503, 2411180, 2644520, 4099006, 4822360, 5289040, 8198012, 9644720, 10247515, 16396024, 20495030, 32792048, 40990060, 81980120, 163960240]

約数ペア:

[(1, 163960240), (2, 81980120), (4, 40990060), (5, 32792048), (8, 20495030), (10, 16396024), (16, 10247515), (17, 9644720), (20, 8198012), (31, 5289040), (34, 4822360), (40, 4099006), (62, 2644520), (68, 2411180), (80, 2049503), (85, 1928944), (124, 1322260), (136, 1205590), (155, 1057808), (170, 964472), (248, 661130), (272, 602795), (310, 528904), (340, 482236), (496, 330565), (527, 311120), (620, 264452), (680, 241118), (1054, 155560), (1240, 132226), (1360, 120559), (2108, 77780), (2480, 66113), (2635, 62224), (3889, 42160), (4216, 38890), (5270, 31112), (7778, 21080), (8432, 19445), (10540, 15556)]