28807486560

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{645329}}^1$

素因数の和:645381

約数の個数: 144

約数和(自身を含む): 101476851840

約数和(自身を除く): 72669365280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 32, 36, 40, 45, 48, 60, 62, 72, 80, 90, 93, 96, 120, 124, 144, 155, 160, 180, 186, 240, 248, 279, 288, 310, 360, 372, 465, 480, 496, 558, 620, 720, 744, 930, 992, 1116, 1240, 1395, 1440, 1488, 1860, 2232, 2480, 2790, 2976, 3720, 4464, 4960, 5580, 7440, 8928, 11160, 14880, 22320, 44640, 645329, 1290658, 1935987, 2581316, 3226645, 3871974, 5162632, 5807961, 6453290, 7743948, 9679935, 10325264, 11615922, 12906580, 15487896, 19359870, 20005199, 20650528, 23231844, 25813160, 29039805, 30975792, 38719740, 40010398, 46463688, 51626320, 58079610, 60015597, 61951584, 77439480, 80020796, 92927376, 100025995, 103252640, 116159220, 120031194, 154878960, 160041592, 180046791, 185854752, 200051990, 232318440, 240062388, 300077985, 309757920, 320083184, 360093582, 400103980, 464636880, 480124776, 600155970, 640166368, 720187164, 800207960, 900233955, 929273760, 960249552, 1200311940, 1440374328, 1600415920, 1800467910, 1920499104, 2400623880, 2880748656, 3200831840, 3600935820, 4801247760, 5761497312, 7201871640, 9602495520, 14403743280, 28807486560]

約数ペア:

[(1, 28807486560), (2, 14403743280), (3, 9602495520), (4, 7201871640), (5, 5761497312), (6, 4801247760), (8, 3600935820), (9, 3200831840), (10, 2880748656), (12, 2400623880), (15, 1920499104), (16, 1800467910), (18, 1600415920), (20, 1440374328), (24, 1200311940), (30, 960249552), (31, 929273760), (32, 900233955), (36, 800207960), (40, 720187164), (45, 640166368), (48, 600155970), (60, 480124776), (62, 464636880), (72, 400103980), (80, 360093582), (90, 320083184), (93, 309757920), (96, 300077985), (120, 240062388), (124, 232318440), (144, 200051990), (155, 185854752), (160, 180046791), (180, 160041592), (186, 154878960), (240, 120031194), (248, 116159220), (279, 103252640), (288, 100025995), (310, 92927376), (360, 80020796), (372, 77439480), (465, 61951584), (480, 60015597), (496, 58079610), (558, 51626320), (620, 46463688), (720, 40010398), (744, 38719740), (930, 30975792), (992, 29039805), (1116, 25813160), (1240, 23231844), (1395, 20650528), (1440, 20005199), (1488, 19359870), (1860, 15487896), (2232, 12906580), (2480, 11615922), (2790, 10325264), (2976, 9679935), (3720, 7743948), (4464, 6453290), (4960, 5807961), (5580, 5162632), (7440, 3871974), (8928, 3226645), (11160, 2581316), (14880, 1935987), (22320, 1290658), (44640, 645329)]