489736680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{431}}^1\times {\mathrm{557}}^1$

素因数の和:1019

約数の個数: 128

約数和(自身を含む): 1562042880

約数和(自身を除く): 1072306200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 431, 510, 557, 680, 862, 1020, 1114, 1293, 1671, 1724, 2040, 2155, 2228, 2586, 2785, 3342, 3448, 4310, 4456, 5172, 5570, 6465, 6684, 7327, 8355, 8620, 9469, 10344, 11140, 12930, 13368, 14654, 16710, 17240, 18938, 21981, 22280, 25860, 28407, 29308, 33420, 36635, 37876, 43962, 47345, 51720, 56814, 58616, 66840, 73270, 75752, 87924, 94690, 109905, 113628, 142035, 146540, 175848, 189380, 219810, 227256, 240067, 284070, 293080, 378760, 439620, 480134, 568140, 720201, 879240, 960268, 1136280, 1200335, 1440402, 1920536, 2400670, 2880804, 3601005, 4081139, 4801340, 5761608, 7202010, 8162278, 9602680, 12243417, 14404020, 16324556, 20405695, 24486834, 28808040, 32649112, 40811390, 48973668, 61217085, 81622780, 97947336, 122434170, 163245560, 244868340, 489736680]

約数ペア:

[(1, 489736680), (2, 244868340), (3, 163245560), (4, 122434170), (5, 97947336), (6, 81622780), (8, 61217085), (10, 48973668), (12, 40811390), (15, 32649112), (17, 28808040), (20, 24486834), (24, 20405695), (30, 16324556), (34, 14404020), (40, 12243417), (51, 9602680), (60, 8162278), (68, 7202010), (85, 5761608), (102, 4801340), (120, 4081139), (136, 3601005), (170, 2880804), (204, 2400670), (255, 1920536), (340, 1440402), (408, 1200335), (431, 1136280), (510, 960268), (557, 879240), (680, 720201), (862, 568140), (1020, 480134), (1114, 439620), (1293, 378760), (1671, 293080), (1724, 284070), (2040, 240067), (2155, 227256), (2228, 219810), (2586, 189380), (2785, 175848), (3342, 146540), (3448, 142035), (4310, 113628), (4456, 109905), (5172, 94690), (5570, 87924), (6465, 75752), (6684, 73270), (7327, 66840), (8355, 58616), (8620, 56814), (9469, 51720), (10344, 47345), (11140, 43962), (12930, 37876), (13368, 36635), (14654, 33420), (16710, 29308), (17240, 28407), (18938, 25860), (21981, 22280)]