158298400

素因数分解:

$2^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{491}}^1$

素因数の和:555

約数の個数: 144

約数和(自身を含む): 430472448

約数和(自身を除く): 272174048

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 31, 32, 40, 50, 52, 62, 65, 80, 100, 104, 124, 130, 155, 160, 200, 208, 248, 260, 310, 325, 400, 403, 416, 491, 496, 520, 620, 650, 775, 800, 806, 982, 992, 1040, 1240, 1300, 1550, 1612, 1964, 2015, 2080, 2455, 2480, 2600, 3100, 3224, 3928, 4030, 4910, 4960, 5200, 6200, 6383, 6448, 7856, 8060, 9820, 10075, 10400, 12275, 12400, 12766, 12896, 15221, 15712, 16120, 19640, 20150, 24550, 24800, 25532, 30442, 31915, 32240, 39280, 40300, 49100, 51064, 60884, 63830, 64480, 76105, 78560, 80600, 98200, 102128, 121768, 127660, 152210, 159575, 161200, 196400, 197873, 204256, 243536, 255320, 304420, 319150, 322400, 380525, 392800, 395746, 487072, 510640, 608840, 638300, 761050, 791492, 989365, 1021280, 1217680, 1276600, 1522100, 1582984, 1978730, 2435360, 2553200, 3044200, 3165968, 3957460, 4946825, 5106400, 6088400, 6331936, 7914920, 9893650, 12176800, 15829840, 19787300, 31659680, 39574600, 79149200, 158298400]

約数ペア:

[(1, 158298400), (2, 79149200), (4, 39574600), (5, 31659680), (8, 19787300), (10, 15829840), (13, 12176800), (16, 9893650), (20, 7914920), (25, 6331936), (26, 6088400), (31, 5106400), (32, 4946825), (40, 3957460), (50, 3165968), (52, 3044200), (62, 2553200), (65, 2435360), (80, 1978730), (100, 1582984), (104, 1522100), (124, 1276600), (130, 1217680), (155, 1021280), (160, 989365), (200, 791492), (208, 761050), (248, 638300), (260, 608840), (310, 510640), (325, 487072), (400, 395746), (403, 392800), (416, 380525), (491, 322400), (496, 319150), (520, 304420), (620, 255320), (650, 243536), (775, 204256), (800, 197873), (806, 196400), (982, 161200), (992, 159575), (1040, 152210), (1240, 127660), (1300, 121768), (1550, 102128), (1612, 98200), (1964, 80600), (2015, 78560), (2080, 76105), (2455, 64480), (2480, 63830), (2600, 60884), (3100, 51064), (3224, 49100), (3928, 40300), (4030, 39280), (4910, 32240), (4960, 31915), (5200, 30442), (6200, 25532), (6383, 24800), (6448, 24550), (7856, 20150), (8060, 19640), (9820, 16120), (10075, 15712), (10400, 15221), (12275, 12896), (12400, 12766)]