1628162800

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:276

約数の個数: 240

約数和(自身を含む): 4475061792

約数和(自身を除く): 2846898992

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 37, 40, 44, 50, 55, 73, 74, 80, 88, 100, 110, 137, 146, 148, 176, 185, 200, 220, 274, 275, 292, 296, 365, 370, 400, 407, 440, 548, 550, 584, 592, 685, 730, 740, 803, 814, 880, 925, 1096, 1100, 1168, 1370, 1460, 1480, 1507, 1606, 1628, 1825, 1850, 2035, 2192, 2200, 2701, 2740, 2920, 2960, 3014, 3212, 3256, 3425, 3650, 3700, 4015, 4070, 4400, 5069, 5402, 5480, 5840, 6028, 6424, 6512, 6850, 7300, 7400, 7535, 8030, 8140, 10001, 10138, 10175, 10804, 10960, 12056, 12848, 13505, 13700, 14600, 14800, 15070, 16060, 16280, 20002, 20075, 20276, 20350, 21608, 24112, 25345, 27010, 27400, 29200, 29711, 30140, 32120, 32560, 37675, 40004, 40150, 40552, 40700, 43216, 50005, 50690, 54020, 54800, 55759, 59422, 60280, 64240, 67525, 75350, 80008, 80300, 81104, 81400, 100010, 101380, 108040, 110011, 111518, 118844, 120560, 126725, 135050, 148555, 150700, 160016, 160600, 162800, 200020, 202760, 216080, 220022, 223036, 237688, 250025, 253450, 270100, 278795, 297110, 301400, 321200, 370037, 400040, 405520, 440044, 446072, 475376, 500050, 506900, 540200, 550055, 557590, 594220, 602800, 740074, 742775, 800080, 880088, 892144, 1000100, 1013800, 1080400, 1100110, 1115180, 1188440, 1393975, 1480148, 1485550, 1760176, 1850185, 2000200, 2027600, 2200220, 2230360, 2376880, 2750275, 2787950, 2960296, 2971100, 3700370, 4000400, 4070407, 4400440, 4460720, 5500550, 5575900, 5920592, 5942200, 7400740, 8140814, 8800880, 9250925, 11001100, 11151800, 11884400, 14801480, 16281628, 18501850, 20352035, 22002200, 22303600, 29602960, 32563256, 37003700, 40704070, 44004400, 65126512, 74007400, 81408140, 101760175, 148014800, 162816280, 203520350, 325632560, 407040700, 814081400, 1628162800]

約数ペア:

[(1, 1628162800), (2, 814081400), (4, 407040700), (5, 325632560), (8, 203520350), (10, 162816280), (11, 148014800), (16, 101760175), (20, 81408140), (22, 74007400), (25, 65126512), (37, 44004400), (40, 40704070), (44, 37003700), (50, 32563256), (55, 29602960), (73, 22303600), (74, 22002200), (80, 20352035), (88, 18501850), (100, 16281628), (110, 14801480), (137, 11884400), (146, 11151800), (148, 11001100), (176, 9250925), (185, 8800880), (200, 8140814), (220, 7400740), (274, 5942200), (275, 5920592), (292, 5575900), (296, 5500550), (365, 4460720), (370, 4400440), (400, 4070407), (407, 4000400), (440, 3700370), (548, 2971100), (550, 2960296), (584, 2787950), (592, 2750275), (685, 2376880), (730, 2230360), (740, 2200220), (803, 2027600), (814, 2000200), (880, 1850185), (925, 1760176), (1096, 1485550), (1100, 1480148), (1168, 1393975), (1370, 1188440), (1460, 1115180), (1480, 1100110), (1507, 1080400), (1606, 1013800), (1628, 1000100), (1825, 892144), (1850, 880088), (2035, 800080), (2192, 742775), (2200, 740074), (2701, 602800), (2740, 594220), (2920, 557590), (2960, 550055), (3014, 540200), (3212, 506900), (3256, 500050), (3425, 475376), (3650, 446072), (3700, 440044), (4015, 405520), (4070, 400040), (4400, 370037), (5069, 321200), (5402, 301400), (5480, 297110), (5840, 278795), (6028, 270100), (6424, 253450), (6512, 250025), (6850, 237688), (7300, 223036), (7400, 220022), (7535, 216080), (8030, 202760), (8140, 200020), (10001, 162800), (10138, 160600), (10175, 160016), (10804, 150700), (10960, 148555), (12056, 135050), (12848, 126725), (13505, 120560), (13700, 118844), (14600, 111518), (14800, 110011), (15070, 108040), (16060, 101380), (16280, 100010), (20002, 81400), (20075, 81104), (20276, 80300), (20350, 80008), (21608, 75350), (24112, 67525), (25345, 64240), (27010, 60280), (27400, 59422), (29200, 55759), (29711, 54800), (30140, 54020), (32120, 50690), (32560, 50005), (37675, 43216), (40004, 40700), (40150, 40552)]