156988981460

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{317}}^1\times {\mathrm{4561}}^1$

素因数の和:5037

約数の個数: 96

約数和(自身を含む): 339989801760

約数和(自身を除く): 183000820300

約数列:

[1, 2, 4, 5, 10, 20, 61, 89, 122, 178, 244, 305, 317, 356, 445, 610, 634, 890, 1220, 1268, 1585, 1780, 3170, 4561, 5429, 6340, 9122, 10858, 18244, 19337, 21716, 22805, 27145, 28213, 38674, 45610, 54290, 56426, 77348, 91220, 96685, 108580, 112852, 141065, 193370, 278221, 282130, 386740, 405929, 556442, 564260, 811858, 1112884, 1391105, 1445837, 1623716, 1720993, 2029645, 2782210, 2891674, 3441986, 4059290, 5564420, 5783348, 6883972, 7229185, 8118580, 8604965, 14458370, 17209930, 24761669, 28916740, 34419860, 49523338, 88196057, 99046676, 123808345, 128679493, 176392114, 247616690, 257358986, 352784228, 440980285, 495233380, 514717972, 643397465, 881960570, 1286794930, 1763921140, 2573589860, 7849449073, 15698898146, 31397796292, 39247245365, 78494490730, 156988981460]

約数ペア:

[(1, 156988981460), (2, 78494490730), (4, 39247245365), (5, 31397796292), (10, 15698898146), (20, 7849449073), (61, 2573589860), (89, 1763921140), (122, 1286794930), (178, 881960570), (244, 643397465), (305, 514717972), (317, 495233380), (356, 440980285), (445, 352784228), (610, 257358986), (634, 247616690), (890, 176392114), (1220, 128679493), (1268, 123808345), (1585, 99046676), (1780, 88196057), (3170, 49523338), (4561, 34419860), (5429, 28916740), (6340, 24761669), (9122, 17209930), (10858, 14458370), (18244, 8604965), (19337, 8118580), (21716, 7229185), (22805, 6883972), (27145, 5783348), (28213, 5564420), (38674, 4059290), (45610, 3441986), (54290, 2891674), (56426, 2782210), (77348, 2029645), (91220, 1720993), (96685, 1623716), (108580, 1445837), (112852, 1391105), (141065, 1112884), (193370, 811858), (278221, 564260), (282130, 556442), (386740, 405929)]