28803960

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:166

約数の個数: 192

約数和(自身を含む): 101088000

約数和(自身を除く): 72284040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 29, 30, 31, 36, 40, 45, 58, 60, 62, 72, 87, 89, 90, 93, 116, 120, 124, 145, 155, 174, 178, 180, 186, 232, 248, 261, 267, 279, 290, 310, 348, 356, 360, 372, 435, 445, 465, 522, 534, 558, 580, 620, 696, 712, 744, 801, 870, 890, 899, 930, 1044, 1068, 1116, 1160, 1240, 1305, 1335, 1395, 1602, 1740, 1780, 1798, 1860, 2088, 2136, 2232, 2581, 2610, 2670, 2697, 2759, 2790, 3204, 3480, 3560, 3596, 3720, 4005, 4495, 5162, 5220, 5340, 5394, 5518, 5580, 6408, 7192, 7743, 8010, 8091, 8277, 8990, 10324, 10440, 10680, 10788, 11036, 11160, 12905, 13485, 13795, 15486, 16020, 16182, 16554, 17980, 20648, 21576, 22072, 23229, 24831, 25810, 26970, 27590, 30972, 32040, 32364, 33108, 35960, 38715, 40455, 41385, 46458, 49662, 51620, 53940, 55180, 61944, 64728, 66216, 77430, 80011, 80910, 82770, 92916, 99324, 103240, 107880, 110360, 116145, 124155, 154860, 160022, 161820, 165540, 185832, 198648, 232290, 240033, 248310, 309720, 320044, 323640, 331080, 400055, 464580, 480066, 496620, 640088, 720099, 800110, 929160, 960132, 993240, 1200165, 1440198, 1600220, 1920264, 2400330, 2880396, 3200440, 3600495, 4800660, 5760792, 7200990, 9601320, 14401980, 28803960]

約数ペア:

[(1, 28803960), (2, 14401980), (3, 9601320), (4, 7200990), (5, 5760792), (6, 4800660), (8, 3600495), (9, 3200440), (10, 2880396), (12, 2400330), (15, 1920264), (18, 1600220), (20, 1440198), (24, 1200165), (29, 993240), (30, 960132), (31, 929160), (36, 800110), (40, 720099), (45, 640088), (58, 496620), (60, 480066), (62, 464580), (72, 400055), (87, 331080), (89, 323640), (90, 320044), (93, 309720), (116, 248310), (120, 240033), (124, 232290), (145, 198648), (155, 185832), (174, 165540), (178, 161820), (180, 160022), (186, 154860), (232, 124155), (248, 116145), (261, 110360), (267, 107880), (279, 103240), (290, 99324), (310, 92916), (348, 82770), (356, 80910), (360, 80011), (372, 77430), (435, 66216), (445, 64728), (465, 61944), (522, 55180), (534, 53940), (558, 51620), (580, 49662), (620, 46458), (696, 41385), (712, 40455), (744, 38715), (801, 35960), (870, 33108), (890, 32364), (899, 32040), (930, 30972), (1044, 27590), (1068, 26970), (1116, 25810), (1160, 24831), (1240, 23229), (1305, 22072), (1335, 21576), (1395, 20648), (1602, 17980), (1740, 16554), (1780, 16182), (1798, 16020), (1860, 15486), (2088, 13795), (2136, 13485), (2232, 12905), (2581, 11160), (2610, 11036), (2670, 10788), (2697, 10680), (2759, 10440), (2790, 10324), (3204, 8990), (3480, 8277), (3560, 8091), (3596, 8010), (3720, 7743), (4005, 7192), (4495, 6408), (5162, 5580), (5220, 5518), (5340, 5394)]