153991880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{157}}^1$

素因数の和:319

約数の個数: 128

約数和(自身を含む): 414996480

約数和(自身を除く): 261004600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 113, 124, 140, 155, 157, 217, 226, 248, 280, 310, 314, 434, 452, 565, 620, 628, 785, 791, 868, 904, 1085, 1099, 1130, 1240, 1256, 1570, 1582, 1736, 2170, 2198, 2260, 3140, 3164, 3503, 3955, 4340, 4396, 4520, 4867, 5495, 6280, 6328, 7006, 7910, 8680, 8792, 9734, 10990, 14012, 15820, 17515, 17741, 19468, 21980, 24335, 24521, 28024, 31640, 34069, 35030, 35482, 38936, 43960, 48670, 49042, 68138, 70060, 70964, 88705, 97340, 98084, 122605, 124187, 136276, 140120, 141928, 170345, 177410, 194680, 196168, 245210, 248374, 272552, 340690, 354820, 490420, 496748, 549971, 620935, 681380, 709640, 980840, 993496, 1099942, 1241870, 1362760, 2199884, 2483740, 2749855, 3849797, 4399768, 4967480, 5499710, 7699594, 10999420, 15399188, 19248985, 21998840, 30798376, 38497970, 76995940, 153991880]

約数ペア:

[(1, 153991880), (2, 76995940), (4, 38497970), (5, 30798376), (7, 21998840), (8, 19248985), (10, 15399188), (14, 10999420), (20, 7699594), (28, 5499710), (31, 4967480), (35, 4399768), (40, 3849797), (56, 2749855), (62, 2483740), (70, 2199884), (113, 1362760), (124, 1241870), (140, 1099942), (155, 993496), (157, 980840), (217, 709640), (226, 681380), (248, 620935), (280, 549971), (310, 496748), (314, 490420), (434, 354820), (452, 340690), (565, 272552), (620, 248374), (628, 245210), (785, 196168), (791, 194680), (868, 177410), (904, 170345), (1085, 141928), (1099, 140120), (1130, 136276), (1240, 124187), (1256, 122605), (1570, 98084), (1582, 97340), (1736, 88705), (2170, 70964), (2198, 70060), (2260, 68138), (3140, 49042), (3164, 48670), (3503, 43960), (3955, 38936), (4340, 35482), (4396, 35030), (4520, 34069), (4867, 31640), (5495, 28024), (6280, 24521), (6328, 24335), (7006, 21980), (7910, 19468), (8680, 17741), (8792, 17515), (9734, 15820), (10990, 14012)]