2787861720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{1019}}^1\times {\mathrm{3257}}^1$

素因数の和:4297

約数の個数: 128

約数和(自身を含む): 9570700800

約数和(自身を除く): 6782839080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 1019, 2038, 3057, 3257, 4076, 5095, 6114, 6514, 7133, 8152, 9771, 10190, 12228, 13028, 14266, 15285, 16285, 19542, 20380, 21399, 22799, 24456, 26056, 28532, 30570, 32570, 35665, 39084, 40760, 42798, 45598, 48855, 57064, 61140, 65140, 68397, 71330, 78168, 85596, 91196, 97710, 106995, 113995, 122280, 130280, 136794, 142660, 171192, 182392, 195420, 213990, 227990, 273588, 285320, 341985, 390840, 427980, 455980, 547176, 683970, 855960, 911960, 1367940, 2735880, 3318883, 6637766, 9956649, 13275532, 16594415, 19913298, 23232181, 26551064, 33188830, 39826596, 46464362, 49783245, 66377660, 69696543, 79653192, 92928724, 99566490, 116160905, 132755320, 139393086, 185857448, 199132980, 232321810, 278786172, 348482715, 398265960, 464643620, 557572344, 696965430, 929287240, 1393930860, 2787861720]

約数ペア:

[(1, 2787861720), (2, 1393930860), (3, 929287240), (4, 696965430), (5, 557572344), (6, 464643620), (7, 398265960), (8, 348482715), (10, 278786172), (12, 232321810), (14, 199132980), (15, 185857448), (20, 139393086), (21, 132755320), (24, 116160905), (28, 99566490), (30, 92928724), (35, 79653192), (40, 69696543), (42, 66377660), (56, 49783245), (60, 46464362), (70, 39826596), (84, 33188830), (105, 26551064), (120, 23232181), (140, 19913298), (168, 16594415), (210, 13275532), (280, 9956649), (420, 6637766), (840, 3318883), (1019, 2735880), (2038, 1367940), (3057, 911960), (3257, 855960), (4076, 683970), (5095, 547176), (6114, 455980), (6514, 427980), (7133, 390840), (8152, 341985), (9771, 285320), (10190, 273588), (12228, 227990), (13028, 213990), (14266, 195420), (15285, 182392), (16285, 171192), (19542, 142660), (20380, 136794), (21399, 130280), (22799, 122280), (24456, 113995), (26056, 106995), (28532, 97710), (30570, 91196), (32570, 85596), (35665, 78168), (39084, 71330), (40760, 68397), (42798, 65140), (45598, 61140), (48855, 57064)]