5181960

素因数分解:

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

素因数の和:251

約数の個数: 128

約数和(自身を含む): 18432000

約数和(自身を除く): 13250040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 31, 35, 40, 42, 56, 60, 62, 70, 84, 93, 105, 120, 124, 140, 155, 168, 186, 199, 210, 217, 248, 280, 310, 372, 398, 420, 434, 465, 597, 620, 651, 744, 796, 840, 868, 930, 995, 1085, 1194, 1240, 1302, 1393, 1592, 1736, 1860, 1990, 2170, 2388, 2604, 2786, 2985, 3255, 3720, 3980, 4179, 4340, 4776, 5208, 5572, 5970, 6169, 6510, 6965, 7960, 8358, 8680, 11144, 11940, 12338, 13020, 13930, 16716, 18507, 20895, 23880, 24676, 26040, 27860, 30845, 33432, 37014, 41790, 43183, 49352, 55720, 61690, 74028, 83580, 86366, 92535, 123380, 129549, 148056, 167160, 172732, 185070, 215915, 246760, 259098, 345464, 370140, 431830, 518196, 647745, 740280, 863660, 1036392, 1295490, 1727320, 2590980, 5181960]

約数ペア:

[(1, 5181960), (2, 2590980), (3, 1727320), (4, 1295490), (5, 1036392), (6, 863660), (7, 740280), (8, 647745), (10, 518196), (12, 431830), (14, 370140), (15, 345464), (20, 259098), (21, 246760), (24, 215915), (28, 185070), (30, 172732), (31, 167160), (35, 148056), (40, 129549), (42, 123380), (56, 92535), (60, 86366), (62, 83580), (70, 74028), (84, 61690), (93, 55720), (105, 49352), (120, 43183), (124, 41790), (140, 37014), (155, 33432), (168, 30845), (186, 27860), (199, 26040), (210, 24676), (217, 23880), (248, 20895), (280, 18507), (310, 16716), (372, 13930), (398, 13020), (420, 12338), (434, 11940), (465, 11144), (597, 8680), (620, 8358), (651, 7960), (744, 6965), (796, 6510), (840, 6169), (868, 5970), (930, 5572), (995, 5208), (1085, 4776), (1194, 4340), (1240, 4179), (1302, 3980), (1393, 3720), (1592, 3255), (1736, 2985), (1860, 2786), (1990, 2604), (2170, 2388)]