28161900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1$

素因数の和:145

約数の個数: 216

約数和(自身を含む): 99524880

約数和(自身を除く): 71362980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 25, 26, 29, 30, 36, 39, 45, 50, 52, 58, 60, 65, 75, 78, 83, 87, 90, 100, 116, 117, 130, 145, 150, 156, 166, 174, 180, 195, 225, 234, 249, 260, 261, 290, 300, 325, 332, 348, 377, 390, 415, 435, 450, 468, 498, 522, 580, 585, 650, 725, 747, 754, 780, 830, 870, 900, 975, 996, 1044, 1079, 1131, 1170, 1245, 1300, 1305, 1450, 1494, 1508, 1660, 1740, 1885, 1950, 2075, 2158, 2175, 2262, 2340, 2407, 2490, 2610, 2900, 2925, 2988, 3237, 3393, 3735, 3770, 3900, 4150, 4316, 4350, 4524, 4814, 4980, 5220, 5395, 5655, 5850, 6225, 6474, 6525, 6786, 7221, 7470, 7540, 8300, 8700, 9425, 9628, 9711, 10790, 11310, 11700, 12035, 12450, 12948, 13050, 13572, 14442, 14940, 16185, 16965, 18675, 18850, 19422, 21580, 21663, 22620, 24070, 24900, 26100, 26975, 28275, 28884, 31291, 32370, 33930, 36105, 37350, 37700, 38844, 43326, 48140, 48555, 53950, 56550, 60175, 62582, 64740, 67860, 72210, 74700, 80925, 84825, 86652, 93873, 97110, 107900, 108315, 113100, 120350, 125164, 144420, 156455, 161850, 169650, 180525, 187746, 194220, 216630, 240700, 242775, 281619, 312910, 323700, 339300, 361050, 375492, 433260, 469365, 485550, 541575, 563238, 625820, 722100, 782275, 938730, 971100, 1083150, 1126476, 1408095, 1564550, 1877460, 2166300, 2346825, 2816190, 3129100, 4693650, 5632380, 7040475, 9387300, 14080950, 28161900]

約数ペア:

[(1, 28161900), (2, 14080950), (3, 9387300), (4, 7040475), (5, 5632380), (6, 4693650), (9, 3129100), (10, 2816190), (12, 2346825), (13, 2166300), (15, 1877460), (18, 1564550), (20, 1408095), (25, 1126476), (26, 1083150), (29, 971100), (30, 938730), (36, 782275), (39, 722100), (45, 625820), (50, 563238), (52, 541575), (58, 485550), (60, 469365), (65, 433260), (75, 375492), (78, 361050), (83, 339300), (87, 323700), (90, 312910), (100, 281619), (116, 242775), (117, 240700), (130, 216630), (145, 194220), (150, 187746), (156, 180525), (166, 169650), (174, 161850), (180, 156455), (195, 144420), (225, 125164), (234, 120350), (249, 113100), (260, 108315), (261, 107900), (290, 97110), (300, 93873), (325, 86652), (332, 84825), (348, 80925), (377, 74700), (390, 72210), (415, 67860), (435, 64740), (450, 62582), (468, 60175), (498, 56550), (522, 53950), (580, 48555), (585, 48140), (650, 43326), (725, 38844), (747, 37700), (754, 37350), (780, 36105), (830, 33930), (870, 32370), (900, 31291), (975, 28884), (996, 28275), (1044, 26975), (1079, 26100), (1131, 24900), (1170, 24070), (1245, 22620), (1300, 21663), (1305, 21580), (1450, 19422), (1494, 18850), (1508, 18675), (1660, 16965), (1740, 16185), (1885, 14940), (1950, 14442), (2075, 13572), (2158, 13050), (2175, 12948), (2262, 12450), (2340, 12035), (2407, 11700), (2490, 11310), (2610, 10790), (2900, 9711), (2925, 9628), (2988, 9425), (3237, 8700), (3393, 8300), (3735, 7540), (3770, 7470), (3900, 7221), (4150, 6786), (4316, 6525), (4350, 6474), (4524, 6225), (4814, 5850), (4980, 5655), (5220, 5395)]