15678618940

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{307}}^1\times {\mathrm{1021}}^1$

素因数の和:1439

約数の個数: 96

約数和(自身を含む): 34426421568

約数和(自身を除く): 18747802628

約数列:

[1, 2, 4, 5, 10, 20, 41, 61, 82, 122, 164, 205, 244, 305, 307, 410, 610, 614, 820, 1021, 1220, 1228, 1535, 2042, 2501, 3070, 4084, 5002, 5105, 6140, 10004, 10210, 12505, 12587, 18727, 20420, 25010, 25174, 37454, 41861, 50020, 50348, 62281, 62935, 74908, 83722, 93635, 124562, 125870, 167444, 187270, 209305, 249124, 251740, 311405, 313447, 374540, 418610, 622810, 626894, 767807, 837220, 1245620, 1253788, 1535614, 1567235, 2553521, 3071228, 3134470, 3839035, 5107042, 6268940, 7678070, 10214084, 12767605, 12851327, 15356140, 19120267, 25535210, 25702654, 38240534, 51070420, 51405308, 64256635, 76481068, 95601335, 128513270, 191202670, 257026540, 382405340, 783930947, 1567861894, 3135723788, 3919654735, 7839309470, 15678618940]

約数ペア:

[(1, 15678618940), (2, 7839309470), (4, 3919654735), (5, 3135723788), (10, 1567861894), (20, 783930947), (41, 382405340), (61, 257026540), (82, 191202670), (122, 128513270), (164, 95601335), (205, 76481068), (244, 64256635), (305, 51405308), (307, 51070420), (410, 38240534), (610, 25702654), (614, 25535210), (820, 19120267), (1021, 15356140), (1220, 12851327), (1228, 12767605), (1535, 10214084), (2042, 7678070), (2501, 6268940), (3070, 5107042), (4084, 3839035), (5002, 3134470), (5105, 3071228), (6140, 2553521), (10004, 1567235), (10210, 1535614), (12505, 1253788), (12587, 1245620), (18727, 837220), (20420, 767807), (25010, 626894), (25174, 622810), (37454, 418610), (41861, 374540), (50020, 313447), (50348, 311405), (62281, 251740), (62935, 249124), (74908, 209305), (83722, 187270), (93635, 167444), (124562, 125870)]