780624720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{521}}^1\times {\mathrm{2081}}^1$

素因数の和:2621

約数の個数: 120

約数和(自身を含む): 2627892072

約数和(自身を除く): 1847267352

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 521, 720, 1042, 1563, 2081, 2084, 2605, 3126, 4162, 4168, 4689, 5210, 6243, 6252, 7815, 8324, 8336, 9378, 10405, 10420, 12486, 12504, 15630, 16648, 18729, 18756, 20810, 20840, 23445, 24972, 25008, 31215, 31260, 33296, 37458, 37512, 41620, 41680, 46890, 49944, 62430, 62520, 74916, 75024, 83240, 93645, 93780, 99888, 124860, 125040, 149832, 166480, 187290, 187560, 249720, 299664, 374580, 375120, 499440, 749160, 1084201, 1498320, 2168402, 3252603, 4336804, 5421005, 6505206, 8673608, 9757809, 10842010, 13010412, 16263015, 17347216, 19515618, 21684020, 26020824, 32526030, 39031236, 43368040, 48789045, 52041648, 65052060, 78062472, 86736080, 97578090, 130104120, 156124944, 195156180, 260208240, 390312360, 780624720]

約数ペア:

[(1, 780624720), (2, 390312360), (3, 260208240), (4, 195156180), (5, 156124944), (6, 130104120), (8, 97578090), (9, 86736080), (10, 78062472), (12, 65052060), (15, 52041648), (16, 48789045), (18, 43368040), (20, 39031236), (24, 32526030), (30, 26020824), (36, 21684020), (40, 19515618), (45, 17347216), (48, 16263015), (60, 13010412), (72, 10842010), (80, 9757809), (90, 8673608), (120, 6505206), (144, 5421005), (180, 4336804), (240, 3252603), (360, 2168402), (521, 1498320), (720, 1084201), (1042, 749160), (1563, 499440), (2081, 375120), (2084, 374580), (2605, 299664), (3126, 249720), (4162, 187560), (4168, 187290), (4689, 166480), (5210, 149832), (6243, 125040), (6252, 124860), (7815, 99888), (8324, 93780), (8336, 93645), (9378, 83240), (10405, 75024), (10420, 74916), (12486, 62520), (12504, 62430), (15630, 49944), (16648, 46890), (18729, 41680), (18756, 41620), (20810, 37512), (20840, 37458), (23445, 33296), (24972, 31260), (25008, 31215)]