90128520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1$

素因数の和:232

約数の個数: 192

約数和(自身を含む): 309582000

約数和(自身を除く): 219453480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 29, 30, 36, 40, 45, 58, 60, 72, 87, 89, 90, 97, 116, 120, 145, 174, 178, 180, 194, 232, 261, 267, 290, 291, 348, 356, 360, 388, 435, 445, 485, 522, 534, 580, 582, 696, 712, 776, 801, 870, 873, 890, 970, 1044, 1068, 1160, 1164, 1305, 1335, 1455, 1602, 1740, 1746, 1780, 1940, 2088, 2136, 2328, 2581, 2610, 2670, 2813, 2910, 3204, 3480, 3492, 3560, 3880, 4005, 4365, 5162, 5220, 5340, 5626, 5820, 6408, 6984, 7743, 8010, 8439, 8633, 8730, 10324, 10440, 10680, 11252, 11640, 12905, 14065, 15486, 16020, 16878, 17266, 17460, 20648, 22504, 23229, 25317, 25810, 25899, 28130, 30972, 32040, 33756, 34532, 34920, 38715, 42195, 43165, 46458, 50634, 51620, 51798, 56260, 61944, 67512, 69064, 77430, 77697, 84390, 86330, 92916, 101268, 103240, 103596, 112520, 116145, 126585, 129495, 154860, 155394, 168780, 172660, 185832, 202536, 207192, 232290, 250357, 253170, 258990, 309720, 310788, 337560, 345320, 388485, 464580, 500714, 506340, 517980, 621576, 751071, 776970, 929160, 1001428, 1012680, 1035960, 1251785, 1502142, 1553940, 2002856, 2253213, 2503570, 3004284, 3107880, 3755355, 4506426, 5007140, 6008568, 7510710, 9012852, 10014280, 11266065, 15021420, 18025704, 22532130, 30042840, 45064260, 90128520]

約数ペア:

[(1, 90128520), (2, 45064260), (3, 30042840), (4, 22532130), (5, 18025704), (6, 15021420), (8, 11266065), (9, 10014280), (10, 9012852), (12, 7510710), (15, 6008568), (18, 5007140), (20, 4506426), (24, 3755355), (29, 3107880), (30, 3004284), (36, 2503570), (40, 2253213), (45, 2002856), (58, 1553940), (60, 1502142), (72, 1251785), (87, 1035960), (89, 1012680), (90, 1001428), (97, 929160), (116, 776970), (120, 751071), (145, 621576), (174, 517980), (178, 506340), (180, 500714), (194, 464580), (232, 388485), (261, 345320), (267, 337560), (290, 310788), (291, 309720), (348, 258990), (356, 253170), (360, 250357), (388, 232290), (435, 207192), (445, 202536), (485, 185832), (522, 172660), (534, 168780), (580, 155394), (582, 154860), (696, 129495), (712, 126585), (776, 116145), (801, 112520), (870, 103596), (873, 103240), (890, 101268), (970, 92916), (1044, 86330), (1068, 84390), (1160, 77697), (1164, 77430), (1305, 69064), (1335, 67512), (1455, 61944), (1602, 56260), (1740, 51798), (1746, 51620), (1780, 50634), (1940, 46458), (2088, 43165), (2136, 42195), (2328, 38715), (2581, 34920), (2610, 34532), (2670, 33756), (2813, 32040), (2910, 30972), (3204, 28130), (3480, 25899), (3492, 25810), (3560, 25317), (3880, 23229), (4005, 22504), (4365, 20648), (5162, 17460), (5220, 17266), (5340, 16878), (5626, 16020), (5820, 15486), (6408, 14065), (6984, 12905), (7743, 11640), (8010, 11252), (8439, 10680), (8633, 10440), (8730, 10324)]