128722590

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{331}}^1$

素因数の和:522

約数の個数: 96

約数和(自身を含む): 349596000

約数和(自身を除く): 220873410

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 29, 30, 45, 58, 87, 90, 145, 149, 174, 261, 290, 298, 331, 435, 447, 522, 662, 745, 870, 894, 993, 1305, 1341, 1490, 1655, 1986, 2235, 2610, 2682, 2979, 3310, 4321, 4470, 4965, 5958, 6705, 8642, 9599, 9930, 12963, 13410, 14895, 19198, 21605, 25926, 28797, 29790, 38889, 43210, 47995, 49319, 57594, 64815, 77778, 86391, 95990, 98638, 129630, 143985, 147957, 172782, 194445, 246595, 287970, 295914, 388890, 431955, 443871, 493190, 739785, 863910, 887742, 1430251, 1479570, 2219355, 2860502, 4290753, 4438710, 7151255, 8581506, 12872259, 14302510, 21453765, 25744518, 42907530, 64361295, 128722590]

約数ペア:

[(1, 128722590), (2, 64361295), (3, 42907530), (5, 25744518), (6, 21453765), (9, 14302510), (10, 12872259), (15, 8581506), (18, 7151255), (29, 4438710), (30, 4290753), (45, 2860502), (58, 2219355), (87, 1479570), (90, 1430251), (145, 887742), (149, 863910), (174, 739785), (261, 493190), (290, 443871), (298, 431955), (331, 388890), (435, 295914), (447, 287970), (522, 246595), (662, 194445), (745, 172782), (870, 147957), (894, 143985), (993, 129630), (1305, 98638), (1341, 95990), (1490, 86391), (1655, 77778), (1986, 64815), (2235, 57594), (2610, 49319), (2682, 47995), (2979, 43210), (3310, 38889), (4321, 29790), (4470, 28797), (4965, 25926), (5958, 21605), (6705, 19198), (8642, 14895), (9599, 13410), (9930, 12963)]