1290731280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1123}}^1\times {\mathrm{4789}}^1$

素因数の和:5928

約数の個数: 80

約数和(自身を含む): 4005666240

約数和(自身を除く): 2714934960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1123, 2246, 3369, 4492, 4789, 5615, 6738, 8984, 9578, 11230, 13476, 14367, 16845, 17968, 19156, 22460, 23945, 26952, 28734, 33690, 38312, 44920, 47890, 53904, 57468, 67380, 71835, 76624, 89840, 95780, 114936, 134760, 143670, 191560, 229872, 269520, 287340, 383120, 574680, 1149360, 5378047, 10756094, 16134141, 21512188, 26890235, 32268282, 43024376, 53780470, 64536564, 80670705, 86048752, 107560940, 129073128, 161341410, 215121880, 258146256, 322682820, 430243760, 645365640, 1290731280]

約数ペア:

[(1, 1290731280), (2, 645365640), (3, 430243760), (4, 322682820), (5, 258146256), (6, 215121880), (8, 161341410), (10, 129073128), (12, 107560940), (15, 86048752), (16, 80670705), (20, 64536564), (24, 53780470), (30, 43024376), (40, 32268282), (48, 26890235), (60, 21512188), (80, 16134141), (120, 10756094), (240, 5378047), (1123, 1149360), (2246, 574680), (3369, 383120), (4492, 287340), (4789, 269520), (5615, 229872), (6738, 191560), (8984, 143670), (9578, 134760), (11230, 114936), (13476, 95780), (14367, 89840), (16845, 76624), (17968, 71835), (19156, 67380), (22460, 57468), (23945, 53904), (26952, 47890), (28734, 44920), (33690, 38312)]