21600450

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{2087}}^1$

素因数の和:2128

約数の個数: 72

約数和(自身を含む): 60585408

約数和(自身を除く): 38984958

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 25, 30, 45, 46, 50, 69, 75, 90, 115, 138, 150, 207, 225, 230, 345, 414, 450, 575, 690, 1035, 1150, 1725, 2070, 2087, 3450, 4174, 5175, 6261, 10350, 10435, 12522, 18783, 20870, 31305, 37566, 48001, 52175, 62610, 93915, 96002, 104350, 144003, 156525, 187830, 240005, 288006, 313050, 432009, 469575, 480010, 720015, 864018, 939150, 1200025, 1440030, 2160045, 2400050, 3600075, 4320090, 7200150, 10800225, 21600450]

約数ペア:

[(1, 21600450), (2, 10800225), (3, 7200150), (5, 4320090), (6, 3600075), (9, 2400050), (10, 2160045), (15, 1440030), (18, 1200025), (23, 939150), (25, 864018), (30, 720015), (45, 480010), (46, 469575), (50, 432009), (69, 313050), (75, 288006), (90, 240005), (115, 187830), (138, 156525), (150, 144003), (207, 104350), (225, 96002), (230, 93915), (345, 62610), (414, 52175), (450, 48001), (575, 37566), (690, 31305), (1035, 20870), (1150, 18783), (1725, 12522), (2070, 10435), (2087, 10350), (3450, 6261), (4174, 5175)]