28975610720

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{26921}}^1$

素因数の和:27005

約数の個数: 144

約数和(自身を含む): 80842243104

約数和(自身を除く): 51866632384

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 160, 217, 224, 248, 280, 310, 434, 496, 560, 620, 868, 961, 992, 1085, 1120, 1240, 1736, 1922, 2170, 2480, 3472, 3844, 4340, 4805, 4960, 6727, 6944, 7688, 8680, 9610, 13454, 15376, 17360, 19220, 26908, 26921, 30752, 33635, 34720, 38440, 53816, 53842, 67270, 76880, 107632, 107684, 134540, 134605, 153760, 188447, 215264, 215368, 269080, 269210, 376894, 430736, 538160, 538420, 753788, 834551, 861472, 942235, 1076320, 1076840, 1507576, 1669102, 1884470, 2153680, 3015152, 3338204, 3768940, 4172755, 4307360, 5841857, 6030304, 6676408, 7537880, 8345510, 11683714, 13352816, 15075760, 16691020, 23367428, 25871081, 26705632, 29209285, 30151520, 33382040, 46734856, 51742162, 58418570, 66764080, 93469712, 103484324, 116837140, 129355405, 133528160, 181097567, 186939424, 206968648, 233674280, 258710810, 362195134, 413937296, 467348560, 517421620, 724390268, 827874592, 905487835, 934697120, 1034843240, 1448780536, 1810975670, 2069686480, 2897561072, 3621951340, 4139372960, 5795122144, 7243902680, 14487805360, 28975610720]

約数ペア:

[(1, 28975610720), (2, 14487805360), (4, 7243902680), (5, 5795122144), (7, 4139372960), (8, 3621951340), (10, 2897561072), (14, 2069686480), (16, 1810975670), (20, 1448780536), (28, 1034843240), (31, 934697120), (32, 905487835), (35, 827874592), (40, 724390268), (56, 517421620), (62, 467348560), (70, 413937296), (80, 362195134), (112, 258710810), (124, 233674280), (140, 206968648), (155, 186939424), (160, 181097567), (217, 133528160), (224, 129355405), (248, 116837140), (280, 103484324), (310, 93469712), (434, 66764080), (496, 58418570), (560, 51742162), (620, 46734856), (868, 33382040), (961, 30151520), (992, 29209285), (1085, 26705632), (1120, 25871081), (1240, 23367428), (1736, 16691020), (1922, 15075760), (2170, 13352816), (2480, 11683714), (3472, 8345510), (3844, 7537880), (4340, 6676408), (4805, 6030304), (4960, 5841857), (6727, 4307360), (6944, 4172755), (7688, 3768940), (8680, 3338204), (9610, 3015152), (13454, 2153680), (15376, 1884470), (17360, 1669102), (19220, 1507576), (26908, 1076840), (26921, 1076320), (30752, 942235), (33635, 861472), (34720, 834551), (38440, 753788), (53816, 538420), (53842, 538160), (67270, 430736), (76880, 376894), (107632, 269210), (107684, 269080), (134540, 215368), (134605, 215264), (153760, 188447)]