81566760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{1013}}^1$

素因数の和:1099

約数の個数: 128

約数和(自身を含む): 271589760

約数和(自身を除く): 190023000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 61, 66, 88, 110, 120, 122, 132, 165, 183, 220, 244, 264, 305, 330, 366, 440, 488, 610, 660, 671, 732, 915, 1013, 1220, 1320, 1342, 1464, 1830, 2013, 2026, 2440, 2684, 3039, 3355, 3660, 4026, 4052, 5065, 5368, 6078, 6710, 7320, 8052, 8104, 10065, 10130, 11143, 12156, 13420, 15195, 16104, 20130, 20260, 22286, 24312, 26840, 30390, 33429, 40260, 40520, 44572, 55715, 60780, 61793, 66858, 80520, 89144, 111430, 121560, 123586, 133716, 167145, 185379, 222860, 247172, 267432, 308965, 334290, 370758, 445720, 494344, 617930, 668580, 679723, 741516, 926895, 1235860, 1337160, 1359446, 1483032, 1853790, 2039169, 2471720, 2718892, 3398615, 3707580, 4078338, 5437784, 6797230, 7415160, 8156676, 10195845, 13594460, 16313352, 20391690, 27188920, 40783380, 81566760]

約数ペア:

[(1, 81566760), (2, 40783380), (3, 27188920), (4, 20391690), (5, 16313352), (6, 13594460), (8, 10195845), (10, 8156676), (11, 7415160), (12, 6797230), (15, 5437784), (20, 4078338), (22, 3707580), (24, 3398615), (30, 2718892), (33, 2471720), (40, 2039169), (44, 1853790), (55, 1483032), (60, 1359446), (61, 1337160), (66, 1235860), (88, 926895), (110, 741516), (120, 679723), (122, 668580), (132, 617930), (165, 494344), (183, 445720), (220, 370758), (244, 334290), (264, 308965), (305, 267432), (330, 247172), (366, 222860), (440, 185379), (488, 167145), (610, 133716), (660, 123586), (671, 121560), (732, 111430), (915, 89144), (1013, 80520), (1220, 66858), (1320, 61793), (1342, 60780), (1464, 55715), (1830, 44572), (2013, 40520), (2026, 40260), (2440, 33429), (2684, 30390), (3039, 26840), (3355, 24312), (3660, 22286), (4026, 20260), (4052, 20130), (5065, 16104), (5368, 15195), (6078, 13420), (6710, 12156), (7320, 11143), (8052, 10130), (8104, 10065)]