72189990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1627}}^1$

素因数の和:1686

約数の個数: 96

約数和(自身を含む): 205714080

約数和(自身を除く): 133524090

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 29, 30, 34, 45, 51, 58, 85, 87, 90, 102, 145, 153, 170, 174, 255, 261, 290, 306, 435, 493, 510, 522, 765, 870, 986, 1305, 1479, 1530, 1627, 2465, 2610, 2958, 3254, 4437, 4881, 4930, 7395, 8135, 8874, 9762, 14643, 14790, 16270, 22185, 24405, 27659, 29286, 44370, 47183, 48810, 55318, 73215, 82977, 94366, 138295, 141549, 146430, 165954, 235915, 248931, 276590, 283098, 414885, 424647, 471830, 497862, 707745, 802111, 829770, 849294, 1244655, 1415490, 1604222, 2123235, 2406333, 2489310, 4010555, 4246470, 4812666, 7218999, 8021110, 12031665, 14437998, 24063330, 36094995, 72189990]

約数ペア:

[(1, 72189990), (2, 36094995), (3, 24063330), (5, 14437998), (6, 12031665), (9, 8021110), (10, 7218999), (15, 4812666), (17, 4246470), (18, 4010555), (29, 2489310), (30, 2406333), (34, 2123235), (45, 1604222), (51, 1415490), (58, 1244655), (85, 849294), (87, 829770), (90, 802111), (102, 707745), (145, 497862), (153, 471830), (170, 424647), (174, 414885), (255, 283098), (261, 276590), (290, 248931), (306, 235915), (435, 165954), (493, 146430), (510, 141549), (522, 138295), (765, 94366), (870, 82977), (986, 73215), (1305, 55318), (1479, 48810), (1530, 47183), (1627, 44370), (2465, 29286), (2610, 27659), (2958, 24405), (3254, 22185), (4437, 16270), (4881, 14790), (4930, 14643), (7395, 9762), (8135, 8874)]