19801965810

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^3\times {\mathrm{613}}^1\times {\mathrm{809}}^1$

素因数の和:1465

約数の個数: 128

約数和(自身を含む): 52423614720

約数和(自身を除く): 32621648910

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 121, 165, 242, 330, 363, 605, 613, 726, 809, 1210, 1226, 1331, 1618, 1815, 1839, 2427, 2662, 3065, 3630, 3678, 3993, 4045, 4854, 6130, 6655, 6743, 7986, 8090, 8899, 9195, 12135, 13310, 13486, 17798, 18390, 19965, 20229, 24270, 26697, 33715, 39930, 40458, 44495, 53394, 67430, 74173, 88990, 97889, 101145, 133485, 148346, 195778, 202290, 222519, 266970, 293667, 370865, 445038, 489445, 495917, 587334, 741730, 815903, 978890, 991834, 1076779, 1112595, 1468335, 1487751, 1631806, 2153558, 2225190, 2447709, 2479585, 2936670, 2975502, 3230337, 4079515, 4895418, 4959170, 5383895, 5455087, 6460674, 7438755, 8159030, 10767790, 10910174, 12238545, 14877510, 16151685, 16365261, 24477090, 27275435, 32303370, 32730522, 54550870, 60005957, 81826305, 120011914, 163652610, 180017871, 300029785, 360035742, 600059570, 660065527, 900089355, 1320131054, 1800178710, 1980196581, 3300327635, 3960393162, 6600655270, 9900982905, 19801965810]

約数ペア:

[(1, 19801965810), (2, 9900982905), (3, 6600655270), (5, 3960393162), (6, 3300327635), (10, 1980196581), (11, 1800178710), (15, 1320131054), (22, 900089355), (30, 660065527), (33, 600059570), (55, 360035742), (66, 300029785), (110, 180017871), (121, 163652610), (165, 120011914), (242, 81826305), (330, 60005957), (363, 54550870), (605, 32730522), (613, 32303370), (726, 27275435), (809, 24477090), (1210, 16365261), (1226, 16151685), (1331, 14877510), (1618, 12238545), (1815, 10910174), (1839, 10767790), (2427, 8159030), (2662, 7438755), (3065, 6460674), (3630, 5455087), (3678, 5383895), (3993, 4959170), (4045, 4895418), (4854, 4079515), (6130, 3230337), (6655, 2975502), (6743, 2936670), (7986, 2479585), (8090, 2447709), (8899, 2225190), (9195, 2153558), (12135, 1631806), (13310, 1487751), (13486, 1468335), (17798, 1112595), (18390, 1076779), (19965, 991834), (20229, 978890), (24270, 815903), (26697, 741730), (33715, 587334), (39930, 495917), (40458, 489445), (44495, 445038), (53394, 370865), (67430, 293667), (74173, 266970), (88990, 222519), (97889, 202290), (101145, 195778), (133485, 148346)]