15570980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{1117}}^1$

素因数の和:1184

約数の個数: 48

約数和(自身を含む): 35498736

約数和(自身を除く): 19927756

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 41, 68, 82, 85, 164, 170, 205, 340, 410, 697, 820, 1117, 1394, 2234, 2788, 3485, 4468, 5585, 6970, 11170, 13940, 18989, 22340, 37978, 45797, 75956, 91594, 94945, 183188, 189890, 228985, 379780, 457970, 778549, 915940, 1557098, 3114196, 3892745, 7785490, 15570980]

約数ペア:

[(1, 15570980), (2, 7785490), (4, 3892745), (5, 3114196), (10, 1557098), (17, 915940), (20, 778549), (34, 457970), (41, 379780), (68, 228985), (82, 189890), (85, 183188), (164, 94945), (170, 91594), (205, 75956), (340, 45797), (410, 37978), (697, 22340), (820, 18989), (1117, 13940), (1394, 11170), (2234, 6970), (2788, 5585), (3485, 4468)]