259125280

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{587}}^1$

素因数の和:722

約数の個数: 96

約数和(自身を含む): 640120320

約数和(自身を除く): 380995040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 89, 124, 155, 160, 178, 248, 310, 356, 445, 496, 587, 620, 712, 890, 992, 1174, 1240, 1424, 1780, 2348, 2480, 2759, 2848, 2935, 3560, 4696, 4960, 5518, 5870, 7120, 9392, 11036, 11740, 13795, 14240, 18197, 18784, 22072, 23480, 27590, 36394, 44144, 46960, 52243, 55180, 72788, 88288, 90985, 93920, 104486, 110360, 145576, 181970, 208972, 220720, 261215, 291152, 363940, 417944, 441440, 522430, 582304, 727880, 835888, 1044860, 1455760, 1619533, 1671776, 2089720, 2911520, 3239066, 4179440, 6478132, 8097665, 8358880, 12956264, 16195330, 25912528, 32390660, 51825056, 64781320, 129562640, 259125280]

約数ペア:

[(1, 259125280), (2, 129562640), (4, 64781320), (5, 51825056), (8, 32390660), (10, 25912528), (16, 16195330), (20, 12956264), (31, 8358880), (32, 8097665), (40, 6478132), (62, 4179440), (80, 3239066), (89, 2911520), (124, 2089720), (155, 1671776), (160, 1619533), (178, 1455760), (248, 1044860), (310, 835888), (356, 727880), (445, 582304), (496, 522430), (587, 441440), (620, 417944), (712, 363940), (890, 291152), (992, 261215), (1174, 220720), (1240, 208972), (1424, 181970), (1780, 145576), (2348, 110360), (2480, 104486), (2759, 93920), (2848, 90985), (2935, 88288), (3560, 72788), (4696, 55180), (4960, 52243), (5518, 46960), (5870, 44144), (7120, 36394), (9392, 27590), (11036, 23480), (11740, 22072), (13795, 18784), (14240, 18197)]