8380260

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{739}}^1$

素因数の和:767

約数の個数: 120

約数和(自身を含む): 30085440

約数和(自身を除く): 21705180

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 252, 270, 315, 324, 378, 405, 420, 540, 567, 630, 739, 756, 810, 945, 1134, 1260, 1478, 1620, 1890, 2217, 2268, 2835, 2956, 3695, 3780, 4434, 5173, 5670, 6651, 7390, 8868, 10346, 11085, 11340, 13302, 14780, 15519, 19953, 20692, 22170, 25865, 26604, 31038, 33255, 39906, 44340, 46557, 51730, 59859, 62076, 66510, 77595, 79812, 93114, 99765, 103460, 119718, 133020, 139671, 155190, 186228, 199530, 232785, 239436, 279342, 299295, 310380, 399060, 419013, 465570, 558684, 598590, 698355, 838026, 931140, 1197180, 1396710, 1676052, 2095065, 2793420, 4190130, 8380260]

約数ペア:

[(1, 8380260), (2, 4190130), (3, 2793420), (4, 2095065), (5, 1676052), (6, 1396710), (7, 1197180), (9, 931140), (10, 838026), (12, 698355), (14, 598590), (15, 558684), (18, 465570), (20, 419013), (21, 399060), (27, 310380), (28, 299295), (30, 279342), (35, 239436), (36, 232785), (42, 199530), (45, 186228), (54, 155190), (60, 139671), (63, 133020), (70, 119718), (81, 103460), (84, 99765), (90, 93114), (105, 79812), (108, 77595), (126, 66510), (135, 62076), (140, 59859), (162, 51730), (180, 46557), (189, 44340), (210, 39906), (252, 33255), (270, 31038), (315, 26604), (324, 25865), (378, 22170), (405, 20692), (420, 19953), (540, 15519), (567, 14780), (630, 13302), (739, 11340), (756, 11085), (810, 10346), (945, 8868), (1134, 7390), (1260, 6651), (1478, 5670), (1620, 5173), (1890, 4434), (2217, 3780), (2268, 3695), (2835, 2956)]