216536940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{809}}^1\times {\mathrm{1487}}^1$

素因数の和:2311

約数の個数: 72

約数和(自身を含む): 658082880

約数和(自身を除く): 441545940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 809, 1487, 1618, 2427, 2974, 3236, 4045, 4461, 4854, 5948, 7281, 7435, 8090, 8922, 9708, 12135, 13383, 14562, 14870, 16180, 17844, 22305, 24270, 26766, 29124, 29740, 36405, 44610, 48540, 53532, 66915, 72810, 89220, 133830, 145620, 267660, 1202983, 2405966, 3608949, 4811932, 6014915, 7217898, 10826847, 12029830, 14435796, 18044745, 21653694, 24059660, 36089490, 43307388, 54134235, 72178980, 108268470, 216536940]

約数ペア:

[(1, 216536940), (2, 108268470), (3, 72178980), (4, 54134235), (5, 43307388), (6, 36089490), (9, 24059660), (10, 21653694), (12, 18044745), (15, 14435796), (18, 12029830), (20, 10826847), (30, 7217898), (36, 6014915), (45, 4811932), (60, 3608949), (90, 2405966), (180, 1202983), (809, 267660), (1487, 145620), (1618, 133830), (2427, 89220), (2974, 72810), (3236, 66915), (4045, 53532), (4461, 48540), (4854, 44610), (5948, 36405), (7281, 29740), (7435, 29124), (8090, 26766), (8922, 24270), (9708, 22305), (12135, 17844), (13383, 16180), (14562, 14870)]