1991399520

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{9199}}^1$

素因数の和:9269

約数の個数: 192

約数和(自身を含む): 7010841600

約数和(自身を除く): 5019442080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 41, 44, 48, 55, 60, 66, 80, 82, 88, 96, 110, 120, 123, 132, 160, 164, 165, 176, 205, 220, 240, 246, 264, 328, 330, 352, 410, 440, 451, 480, 492, 528, 615, 656, 660, 820, 880, 902, 984, 1056, 1230, 1312, 1320, 1353, 1640, 1760, 1804, 1968, 2255, 2460, 2640, 2706, 3280, 3608, 3936, 4510, 4920, 5280, 5412, 6560, 6765, 7216, 9020, 9199, 9840, 10824, 13530, 14432, 18040, 18398, 19680, 21648, 27060, 27597, 36080, 36796, 43296, 45995, 54120, 55194, 72160, 73592, 91990, 101189, 108240, 110388, 137985, 147184, 183980, 202378, 216480, 220776, 275970, 294368, 303567, 367960, 377159, 404756, 441552, 505945, 551940, 607134, 735920, 754318, 809512, 883104, 1011890, 1103880, 1131477, 1214268, 1471840, 1508636, 1517835, 1619024, 1885795, 2023780, 2207760, 2262954, 2428536, 3017272, 3035670, 3238048, 3771590, 4047560, 4148749, 4415520, 4525908, 4857072, 5657385, 6034544, 6071340, 7543180, 8095120, 8297498, 9051816, 9714144, 11314770, 12069088, 12142680, 12446247, 15086360, 16190240, 16594996, 18103632, 20743745, 22629540, 24285360, 24892494, 30172720, 33189992, 36207264, 41487490, 45259080, 48570720, 49784988, 60345440, 62231235, 66379984, 82974980, 90518160, 99569976, 124462470, 132759968, 165949960, 181036320, 199139952, 248924940, 331899920, 398279904, 497849880, 663799840, 995699760, 1991399520]

約数ペア:

[(1, 1991399520), (2, 995699760), (3, 663799840), (4, 497849880), (5, 398279904), (6, 331899920), (8, 248924940), (10, 199139952), (11, 181036320), (12, 165949960), (15, 132759968), (16, 124462470), (20, 99569976), (22, 90518160), (24, 82974980), (30, 66379984), (32, 62231235), (33, 60345440), (40, 49784988), (41, 48570720), (44, 45259080), (48, 41487490), (55, 36207264), (60, 33189992), (66, 30172720), (80, 24892494), (82, 24285360), (88, 22629540), (96, 20743745), (110, 18103632), (120, 16594996), (123, 16190240), (132, 15086360), (160, 12446247), (164, 12142680), (165, 12069088), (176, 11314770), (205, 9714144), (220, 9051816), (240, 8297498), (246, 8095120), (264, 7543180), (328, 6071340), (330, 6034544), (352, 5657385), (410, 4857072), (440, 4525908), (451, 4415520), (480, 4148749), (492, 4047560), (528, 3771590), (615, 3238048), (656, 3035670), (660, 3017272), (820, 2428536), (880, 2262954), (902, 2207760), (984, 2023780), (1056, 1885795), (1230, 1619024), (1312, 1517835), (1320, 1508636), (1353, 1471840), (1640, 1214268), (1760, 1131477), (1804, 1103880), (1968, 1011890), (2255, 883104), (2460, 809512), (2640, 754318), (2706, 735920), (3280, 607134), (3608, 551940), (3936, 505945), (4510, 441552), (4920, 404756), (5280, 377159), (5412, 367960), (6560, 303567), (6765, 294368), (7216, 275970), (9020, 220776), (9199, 216480), (9840, 202378), (10824, 183980), (13530, 147184), (14432, 137985), (18040, 110388), (18398, 108240), (19680, 101189), (21648, 91990), (27060, 73592), (27597, 72160), (36080, 55194), (36796, 54120), (43296, 45995)]