450180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:117

約数の個数: 72

約数和(自身を含む): 1421784

約数和(自身を除く): 971604

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 41, 45, 60, 61, 82, 90, 122, 123, 164, 180, 183, 205, 244, 246, 305, 366, 369, 410, 492, 549, 610, 615, 732, 738, 820, 915, 1098, 1220, 1230, 1476, 1830, 1845, 2196, 2460, 2501, 2745, 3660, 3690, 5002, 5490, 7380, 7503, 10004, 10980, 12505, 15006, 22509, 25010, 30012, 37515, 45018, 50020, 75030, 90036, 112545, 150060, 225090, 450180]

約数ペア:

[(1, 450180), (2, 225090), (3, 150060), (4, 112545), (5, 90036), (6, 75030), (9, 50020), (10, 45018), (12, 37515), (15, 30012), (18, 25010), (20, 22509), (30, 15006), (36, 12505), (41, 10980), (45, 10004), (60, 7503), (61, 7380), (82, 5490), (90, 5002), (122, 3690), (123, 3660), (164, 2745), (180, 2501), (183, 2460), (205, 2196), (244, 1845), (246, 1830), (305, 1476), (366, 1230), (369, 1220), (410, 1098), (492, 915), (549, 820), (610, 738), (615, 732)]