72547440

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{199}}^1$

素因数の和:260

約数の個数: 240

約数和(自身を含む): 271411200

約数和(自身を除く): 198863760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 31, 35, 40, 42, 48, 49, 56, 60, 62, 70, 80, 84, 93, 98, 105, 112, 120, 124, 140, 147, 155, 168, 186, 196, 199, 210, 217, 240, 245, 248, 280, 294, 310, 336, 372, 392, 398, 420, 434, 465, 490, 496, 560, 588, 597, 620, 651, 735, 744, 784, 796, 840, 868, 930, 980, 995, 1085, 1176, 1194, 1240, 1302, 1393, 1470, 1488, 1519, 1592, 1680, 1736, 1860, 1960, 1990, 2170, 2352, 2388, 2480, 2604, 2786, 2940, 2985, 3038, 3184, 3255, 3472, 3720, 3920, 3980, 4179, 4340, 4557, 4776, 5208, 5572, 5880, 5970, 6076, 6169, 6510, 6965, 7440, 7595, 7960, 8358, 8680, 9114, 9552, 9751, 10416, 11144, 11760, 11940, 12152, 12338, 13020, 13930, 15190, 15920, 16716, 17360, 18228, 18507, 19502, 20895, 22288, 22785, 23880, 24304, 24676, 26040, 27860, 29253, 30380, 30845, 33432, 36456, 37014, 39004, 41790, 43183, 45570, 47760, 48755, 49352, 52080, 55720, 58506, 60760, 61690, 66864, 72912, 74028, 78008, 83580, 86366, 91140, 92535, 97510, 98704, 111440, 117012, 121520, 123380, 129549, 146265, 148056, 156016, 167160, 172732, 182280, 185070, 195020, 215915, 234024, 246760, 259098, 292530, 296112, 302281, 334320, 345464, 364560, 370140, 390040, 431830, 468048, 493520, 518196, 585060, 604562, 647745, 690928, 740280, 780080, 863660, 906843, 1036392, 1170120, 1209124, 1295490, 1480560, 1511405, 1727320, 1813686, 2072784, 2340240, 2418248, 2590980, 3022810, 3454640, 3627372, 4534215, 4836496, 5181960, 6045620, 7254744, 9068430, 10363920, 12091240, 14509488, 18136860, 24182480, 36273720, 72547440]

約数ペア:

[(1, 72547440), (2, 36273720), (3, 24182480), (4, 18136860), (5, 14509488), (6, 12091240), (7, 10363920), (8, 9068430), (10, 7254744), (12, 6045620), (14, 5181960), (15, 4836496), (16, 4534215), (20, 3627372), (21, 3454640), (24, 3022810), (28, 2590980), (30, 2418248), (31, 2340240), (35, 2072784), (40, 1813686), (42, 1727320), (48, 1511405), (49, 1480560), (56, 1295490), (60, 1209124), (62, 1170120), (70, 1036392), (80, 906843), (84, 863660), (93, 780080), (98, 740280), (105, 690928), (112, 647745), (120, 604562), (124, 585060), (140, 518196), (147, 493520), (155, 468048), (168, 431830), (186, 390040), (196, 370140), (199, 364560), (210, 345464), (217, 334320), (240, 302281), (245, 296112), (248, 292530), (280, 259098), (294, 246760), (310, 234024), (336, 215915), (372, 195020), (392, 185070), (398, 182280), (420, 172732), (434, 167160), (465, 156016), (490, 148056), (496, 146265), (560, 129549), (588, 123380), (597, 121520), (620, 117012), (651, 111440), (735, 98704), (744, 97510), (784, 92535), (796, 91140), (840, 86366), (868, 83580), (930, 78008), (980, 74028), (995, 72912), (1085, 66864), (1176, 61690), (1194, 60760), (1240, 58506), (1302, 55720), (1393, 52080), (1470, 49352), (1488, 48755), (1519, 47760), (1592, 45570), (1680, 43183), (1736, 41790), (1860, 39004), (1960, 37014), (1990, 36456), (2170, 33432), (2352, 30845), (2388, 30380), (2480, 29253), (2604, 27860), (2786, 26040), (2940, 24676), (2985, 24304), (3038, 23880), (3184, 22785), (3255, 22288), (3472, 20895), (3720, 19502), (3920, 18507), (3980, 18228), (4179, 17360), (4340, 16716), (4557, 15920), (4776, 15190), (5208, 13930), (5572, 13020), (5880, 12338), (5970, 12152), (6076, 11940), (6169, 11760), (6510, 11144), (6965, 10416), (7440, 9751), (7595, 9552), (7960, 9114), (8358, 8680)]