221165640

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{68261}}^1$

素因数の和:68284

約数の個数: 80

約数和(自身を含む): 743373180

約数和(自身を除く): 522207540

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 1080, 1620, 3240, 68261, 136522, 204783, 273044, 341305, 409566, 546088, 614349, 682610, 819132, 1023915, 1228698, 1365220, 1638264, 1843047, 2047830, 2457396, 2730440, 3071745, 3686094, 4095660, 4914792, 5529141, 6143490, 7372188, 8191320, 9215235, 11058282, 12286980, 14744376, 18430470, 22116564, 24573960, 27645705, 36860940, 44233128, 55291410, 73721880, 110582820, 221165640]

約数ペア:

[(1, 221165640), (2, 110582820), (3, 73721880), (4, 55291410), (5, 44233128), (6, 36860940), (8, 27645705), (9, 24573960), (10, 22116564), (12, 18430470), (15, 14744376), (18, 12286980), (20, 11058282), (24, 9215235), (27, 8191320), (30, 7372188), (36, 6143490), (40, 5529141), (45, 4914792), (54, 4095660), (60, 3686094), (72, 3071745), (81, 2730440), (90, 2457396), (108, 2047830), (120, 1843047), (135, 1638264), (162, 1365220), (180, 1228698), (216, 1023915), (270, 819132), (324, 682610), (360, 614349), (405, 546088), (540, 409566), (648, 341305), (810, 273044), (1080, 204783), (1620, 136522), (3240, 68261)]