1557788540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{379}}^1$

素因数の和:580

約数の個数: 192

約数和(自身を含む): 4357463040

約数和(自身を除く): 2799674500

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 17, 20, 22, 28, 34, 35, 44, 55, 68, 70, 77, 85, 110, 119, 140, 154, 157, 170, 187, 220, 238, 308, 314, 340, 374, 379, 385, 476, 595, 628, 748, 758, 770, 785, 935, 1099, 1190, 1309, 1516, 1540, 1570, 1727, 1870, 1895, 2198, 2380, 2618, 2653, 2669, 3140, 3454, 3740, 3790, 4169, 4396, 5236, 5306, 5338, 5495, 6443, 6545, 6908, 7580, 8338, 8635, 10612, 10676, 10990, 12089, 12886, 13090, 13265, 13345, 16676, 17270, 18683, 20845, 21980, 24178, 25772, 26180, 26530, 26690, 29183, 29359, 32215, 34540, 37366, 41690, 45101, 48356, 53060, 53380, 58366, 58718, 59503, 60445, 64430, 70873, 74732, 83380, 90202, 93415, 116732, 117436, 119006, 120890, 128860, 141746, 145915, 146795, 180404, 186830, 205513, 225505, 238012, 241780, 283492, 291830, 293590, 297515, 354365, 373660, 411026, 416521, 451010, 496111, 583660, 587180, 595030, 654533, 708730, 822052, 833042, 902020, 992222, 1011551, 1027565, 1190060, 1309066, 1417460, 1666084, 1984444, 2023102, 2055130, 2082605, 2480555, 2618132, 3272665, 4046204, 4110260, 4165210, 4581731, 4961110, 5057755, 6545330, 7080857, 8330420, 9163462, 9922220, 10115510, 11127061, 13090660, 14161714, 18326924, 20231020, 22254122, 22908655, 28323428, 35404285, 44508244, 45817310, 55635305, 70808570, 77889427, 91634620, 111270610, 141617140, 155778854, 222541220, 311557708, 389447135, 778894270, 1557788540]

約数ペア:

[(1, 1557788540), (2, 778894270), (4, 389447135), (5, 311557708), (7, 222541220), (10, 155778854), (11, 141617140), (14, 111270610), (17, 91634620), (20, 77889427), (22, 70808570), (28, 55635305), (34, 45817310), (35, 44508244), (44, 35404285), (55, 28323428), (68, 22908655), (70, 22254122), (77, 20231020), (85, 18326924), (110, 14161714), (119, 13090660), (140, 11127061), (154, 10115510), (157, 9922220), (170, 9163462), (187, 8330420), (220, 7080857), (238, 6545330), (308, 5057755), (314, 4961110), (340, 4581731), (374, 4165210), (379, 4110260), (385, 4046204), (476, 3272665), (595, 2618132), (628, 2480555), (748, 2082605), (758, 2055130), (770, 2023102), (785, 1984444), (935, 1666084), (1099, 1417460), (1190, 1309066), (1309, 1190060), (1516, 1027565), (1540, 1011551), (1570, 992222), (1727, 902020), (1870, 833042), (1895, 822052), (2198, 708730), (2380, 654533), (2618, 595030), (2653, 587180), (2669, 583660), (3140, 496111), (3454, 451010), (3740, 416521), (3790, 411026), (4169, 373660), (4396, 354365), (5236, 297515), (5306, 293590), (5338, 291830), (5495, 283492), (6443, 241780), (6545, 238012), (6908, 225505), (7580, 205513), (8338, 186830), (8635, 180404), (10612, 146795), (10676, 145915), (10990, 141746), (12089, 128860), (12886, 120890), (13090, 119006), (13265, 117436), (13345, 116732), (16676, 93415), (17270, 90202), (18683, 83380), (20845, 74732), (21980, 70873), (24178, 64430), (25772, 60445), (26180, 59503), (26530, 58718), (26690, 58366), (29183, 53380), (29359, 53060), (32215, 48356), (34540, 45101), (37366, 41690)]