145087280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{2287}}^1$

素因数の和:2374

約数の個数: 80

約数和(自身を含む): 369393024

約数和(自身を除く): 224305744

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 61, 65, 80, 104, 122, 130, 208, 244, 260, 305, 488, 520, 610, 793, 976, 1040, 1220, 1586, 2287, 2440, 3172, 3965, 4574, 4880, 6344, 7930, 9148, 11435, 12688, 15860, 18296, 22870, 29731, 31720, 36592, 45740, 59462, 63440, 91480, 118924, 139507, 148655, 182960, 237848, 279014, 297310, 475696, 558028, 594620, 697535, 1116056, 1189240, 1395070, 1813591, 2232112, 2378480, 2790140, 3627182, 5580280, 7254364, 9067955, 11160560, 14508728, 18135910, 29017456, 36271820, 72543640, 145087280]

約数ペア:

[(1, 145087280), (2, 72543640), (4, 36271820), (5, 29017456), (8, 18135910), (10, 14508728), (13, 11160560), (16, 9067955), (20, 7254364), (26, 5580280), (40, 3627182), (52, 2790140), (61, 2378480), (65, 2232112), (80, 1813591), (104, 1395070), (122, 1189240), (130, 1116056), (208, 697535), (244, 594620), (260, 558028), (305, 475696), (488, 297310), (520, 279014), (610, 237848), (793, 182960), (976, 148655), (1040, 139507), (1220, 118924), (1586, 91480), (2287, 63440), (2440, 59462), (3172, 45740), (3965, 36592), (4574, 31720), (4880, 29731), (6344, 22870), (7930, 18296), (9148, 15860), (11435, 12688)]