642365880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{359}}^1$

素因数の和:454

約数の個数: 256

約数和(自身を含む): 2206310400

約数和(自身を除く): 1563944520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 31, 37, 39, 40, 52, 60, 62, 65, 74, 78, 93, 104, 111, 120, 124, 130, 148, 155, 156, 185, 186, 195, 222, 248, 260, 296, 310, 312, 359, 370, 372, 390, 403, 444, 465, 481, 520, 555, 620, 718, 740, 744, 780, 806, 888, 930, 962, 1077, 1110, 1147, 1209, 1240, 1436, 1443, 1480, 1560, 1612, 1795, 1860, 1924, 2015, 2154, 2220, 2294, 2405, 2418, 2872, 2886, 3224, 3441, 3590, 3720, 3848, 4030, 4308, 4440, 4588, 4667, 4810, 4836, 5385, 5735, 5772, 6045, 6882, 7180, 7215, 8060, 8616, 9176, 9334, 9620, 9672, 10770, 11129, 11470, 11544, 12090, 13283, 13764, 14001, 14360, 14430, 14911, 16120, 17205, 18668, 19240, 21540, 22258, 22940, 23335, 24180, 26566, 27528, 28002, 28860, 29822, 33387, 34410, 37336, 39849, 43080, 44516, 44733, 45880, 46670, 48360, 53132, 55645, 56004, 57720, 59644, 66415, 66774, 68820, 70005, 74555, 79698, 89032, 89466, 93340, 106264, 111290, 112008, 119288, 132830, 133548, 137640, 140010, 144677, 149110, 159396, 166935, 172679, 178932, 186680, 199245, 222580, 223665, 265660, 267096, 280020, 289354, 298220, 318792, 333870, 345358, 357864, 398490, 411773, 434031, 445160, 447330, 518037, 531320, 560040, 578708, 596440, 667740, 690716, 723385, 796980, 823546, 863395, 868062, 894660, 1036074, 1157416, 1235319, 1335480, 1381432, 1446770, 1593960, 1647092, 1726790, 1736124, 1789320, 2058865, 2072148, 2170155, 2470638, 2590185, 2893540, 3294184, 3453580, 3472248, 4117730, 4144296, 4340310, 4941276, 5180370, 5353049, 5787080, 6176595, 6907160, 8235460, 8680620, 9882552, 10360740, 10706098, 12353190, 16059147, 16470920, 17361240, 20721480, 21412196, 24706380, 26765245, 32118294, 42824392, 49412760, 53530490, 64236588, 80295735, 107060980, 128473176, 160591470, 214121960, 321182940, 642365880]

約数ペア:

[(1, 642365880), (2, 321182940), (3, 214121960), (4, 160591470), (5, 128473176), (6, 107060980), (8, 80295735), (10, 64236588), (12, 53530490), (13, 49412760), (15, 42824392), (20, 32118294), (24, 26765245), (26, 24706380), (30, 21412196), (31, 20721480), (37, 17361240), (39, 16470920), (40, 16059147), (52, 12353190), (60, 10706098), (62, 10360740), (65, 9882552), (74, 8680620), (78, 8235460), (93, 6907160), (104, 6176595), (111, 5787080), (120, 5353049), (124, 5180370), (130, 4941276), (148, 4340310), (155, 4144296), (156, 4117730), (185, 3472248), (186, 3453580), (195, 3294184), (222, 2893540), (248, 2590185), (260, 2470638), (296, 2170155), (310, 2072148), (312, 2058865), (359, 1789320), (370, 1736124), (372, 1726790), (390, 1647092), (403, 1593960), (444, 1446770), (465, 1381432), (481, 1335480), (520, 1235319), (555, 1157416), (620, 1036074), (718, 894660), (740, 868062), (744, 863395), (780, 823546), (806, 796980), (888, 723385), (930, 690716), (962, 667740), (1077, 596440), (1110, 578708), (1147, 560040), (1209, 531320), (1240, 518037), (1436, 447330), (1443, 445160), (1480, 434031), (1560, 411773), (1612, 398490), (1795, 357864), (1860, 345358), (1924, 333870), (2015, 318792), (2154, 298220), (2220, 289354), (2294, 280020), (2405, 267096), (2418, 265660), (2872, 223665), (2886, 222580), (3224, 199245), (3441, 186680), (3590, 178932), (3720, 172679), (3848, 166935), (4030, 159396), (4308, 149110), (4440, 144677), (4588, 140010), (4667, 137640), (4810, 133548), (4836, 132830), (5385, 119288), (5735, 112008), (5772, 111290), (6045, 106264), (6882, 93340), (7180, 89466), (7215, 89032), (8060, 79698), (8616, 74555), (9176, 70005), (9334, 68820), (9620, 66774), (9672, 66415), (10770, 59644), (11129, 57720), (11470, 56004), (11544, 55645), (12090, 53132), (13283, 48360), (13764, 46670), (14001, 45880), (14360, 44733), (14430, 44516), (14911, 43080), (16120, 39849), (17205, 37336), (18668, 34410), (19240, 33387), (21540, 29822), (22258, 28860), (22940, 28002), (23335, 27528), (24180, 26566)]