72217440

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{229}}^1$

素因数の和:326

約数の個数: 192

約数和(自身を含む): 257342400

約数和(自身を除く): 185124960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 73, 80, 90, 96, 108, 120, 135, 144, 146, 160, 180, 216, 219, 229, 240, 270, 288, 292, 360, 365, 432, 438, 458, 480, 540, 584, 657, 687, 720, 730, 864, 876, 916, 1080, 1095, 1145, 1168, 1314, 1374, 1440, 1460, 1752, 1832, 1971, 2061, 2160, 2190, 2290, 2336, 2628, 2748, 2920, 3285, 3435, 3504, 3664, 3942, 4122, 4320, 4380, 4580, 5256, 5496, 5840, 6183, 6570, 6870, 7008, 7328, 7884, 8244, 8760, 9160, 9855, 10305, 10512, 10992, 11680, 12366, 13140, 13740, 15768, 16488, 16717, 17520, 18320, 19710, 20610, 21024, 21984, 24732, 26280, 27480, 30915, 31536, 32976, 33434, 35040, 36640, 39420, 41220, 49464, 50151, 52560, 54960, 61830, 63072, 65952, 66868, 78840, 82440, 83585, 98928, 100302, 105120, 109920, 123660, 133736, 150453, 157680, 164880, 167170, 197856, 200604, 247320, 250755, 267472, 300906, 315360, 329760, 334340, 401208, 451359, 494640, 501510, 534944, 601812, 668680, 752265, 802416, 902718, 989280, 1003020, 1203624, 1337360, 1504530, 1604832, 1805436, 2006040, 2256795, 2407248, 2674720, 3009060, 3610872, 4012080, 4513590, 4814496, 6018120, 7221744, 8024160, 9027180, 12036240, 14443488, 18054360, 24072480, 36108720, 72217440]

約数ペア:

[(1, 72217440), (2, 36108720), (3, 24072480), (4, 18054360), (5, 14443488), (6, 12036240), (8, 9027180), (9, 8024160), (10, 7221744), (12, 6018120), (15, 4814496), (16, 4513590), (18, 4012080), (20, 3610872), (24, 3009060), (27, 2674720), (30, 2407248), (32, 2256795), (36, 2006040), (40, 1805436), (45, 1604832), (48, 1504530), (54, 1337360), (60, 1203624), (72, 1003020), (73, 989280), (80, 902718), (90, 802416), (96, 752265), (108, 668680), (120, 601812), (135, 534944), (144, 501510), (146, 494640), (160, 451359), (180, 401208), (216, 334340), (219, 329760), (229, 315360), (240, 300906), (270, 267472), (288, 250755), (292, 247320), (360, 200604), (365, 197856), (432, 167170), (438, 164880), (458, 157680), (480, 150453), (540, 133736), (584, 123660), (657, 109920), (687, 105120), (720, 100302), (730, 98928), (864, 83585), (876, 82440), (916, 78840), (1080, 66868), (1095, 65952), (1145, 63072), (1168, 61830), (1314, 54960), (1374, 52560), (1440, 50151), (1460, 49464), (1752, 41220), (1832, 39420), (1971, 36640), (2061, 35040), (2160, 33434), (2190, 32976), (2290, 31536), (2336, 30915), (2628, 27480), (2748, 26280), (2920, 24732), (3285, 21984), (3435, 21024), (3504, 20610), (3664, 19710), (3942, 18320), (4122, 17520), (4320, 16717), (4380, 16488), (4580, 15768), (5256, 13740), (5496, 13140), (5840, 12366), (6183, 11680), (6570, 10992), (6870, 10512), (7008, 10305), (7328, 9855), (7884, 9160), (8244, 8760)]