15645980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1$

素因数の和:195

約数の個数: 96

約数和(自身を含む): 40449024

約数和(自身を除く): 24803044

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 43, 46, 70, 86, 92, 113, 115, 140, 161, 172, 215, 226, 230, 301, 322, 430, 452, 460, 565, 602, 644, 791, 805, 860, 989, 1130, 1204, 1505, 1582, 1610, 1978, 2260, 2599, 3010, 3164, 3220, 3955, 3956, 4859, 4945, 5198, 6020, 6923, 7910, 9718, 9890, 10396, 12995, 13846, 15820, 18193, 19436, 19780, 24295, 25990, 27692, 34013, 34615, 36386, 48590, 51980, 68026, 69230, 72772, 90965, 97180, 111757, 136052, 138460, 170065, 181930, 223514, 340130, 363860, 447028, 558785, 680260, 782299, 1117570, 1564598, 2235140, 3129196, 3911495, 7822990, 15645980]

約数ペア:

[(1, 15645980), (2, 7822990), (4, 3911495), (5, 3129196), (7, 2235140), (10, 1564598), (14, 1117570), (20, 782299), (23, 680260), (28, 558785), (35, 447028), (43, 363860), (46, 340130), (70, 223514), (86, 181930), (92, 170065), (113, 138460), (115, 136052), (140, 111757), (161, 97180), (172, 90965), (215, 72772), (226, 69230), (230, 68026), (301, 51980), (322, 48590), (430, 36386), (452, 34615), (460, 34013), (565, 27692), (602, 25990), (644, 24295), (791, 19780), (805, 19436), (860, 18193), (989, 15820), (1130, 13846), (1204, 12995), (1505, 10396), (1582, 9890), (1610, 9718), (1978, 7910), (2260, 6923), (2599, 6020), (3010, 5198), (3164, 4945), (3220, 4859), (3955, 3956)]