405184880

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{8599}}^1$

素因数の和:8662

約数の個数: 80

約数和(自身を含む): 1023744000

約数和(自身を除く): 618559120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 38, 40, 62, 76, 80, 95, 124, 152, 155, 190, 248, 304, 310, 380, 496, 589, 620, 760, 1178, 1240, 1520, 2356, 2480, 2945, 4712, 5890, 8599, 9424, 11780, 17198, 23560, 34396, 42995, 47120, 68792, 85990, 137584, 163381, 171980, 266569, 326762, 343960, 533138, 653524, 687920, 816905, 1066276, 1307048, 1332845, 1633810, 2132552, 2614096, 2665690, 3267620, 4265104, 5064811, 5331380, 6535240, 10129622, 10662760, 13070480, 20259244, 21325520, 25324055, 40518488, 50648110, 81036976, 101296220, 202592440, 405184880]

約数ペア:

[(1, 405184880), (2, 202592440), (4, 101296220), (5, 81036976), (8, 50648110), (10, 40518488), (16, 25324055), (19, 21325520), (20, 20259244), (31, 13070480), (38, 10662760), (40, 10129622), (62, 6535240), (76, 5331380), (80, 5064811), (95, 4265104), (124, 3267620), (152, 2665690), (155, 2614096), (190, 2132552), (248, 1633810), (304, 1332845), (310, 1307048), (380, 1066276), (496, 816905), (589, 687920), (620, 653524), (760, 533138), (1178, 343960), (1240, 326762), (1520, 266569), (2356, 171980), (2480, 163381), (2945, 137584), (4712, 85990), (5890, 68792), (8599, 47120), (9424, 42995), (11780, 34396), (17198, 23560)]