318175520

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1$

素因数の和:227

約数の個数: 192

約数和(自身を含む): 871274880

約数和(自身を除く): 553099360

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 65, 76, 80, 83, 95, 97, 104, 130, 152, 160, 166, 190, 194, 208, 247, 260, 304, 332, 380, 388, 415, 416, 485, 494, 520, 608, 664, 760, 776, 830, 970, 988, 1040, 1079, 1235, 1261, 1328, 1520, 1552, 1577, 1660, 1843, 1940, 1976, 2080, 2158, 2470, 2522, 2656, 3040, 3104, 3154, 3320, 3686, 3880, 3952, 4316, 4940, 5044, 5395, 6305, 6308, 6640, 7372, 7760, 7885, 7904, 8051, 8632, 9215, 9880, 10088, 10790, 12610, 12616, 13280, 14744, 15520, 15770, 16102, 17264, 18430, 19760, 20176, 20501, 21580, 23959, 25220, 25232, 29488, 31540, 32204, 34528, 36860, 39520, 40255, 40352, 41002, 43160, 47918, 50440, 50464, 58976, 63080, 64408, 73720, 80510, 82004, 86320, 95836, 100880, 102505, 104663, 119795, 126160, 128816, 147440, 152969, 161020, 164008, 172640, 191672, 201760, 205010, 209326, 239590, 252320, 257632, 294880, 305938, 322040, 328016, 383344, 410020, 418652, 479180, 523315, 611876, 644080, 656032, 764845, 766688, 820040, 837304, 958360, 1046630, 1223752, 1288160, 1529690, 1640080, 1674608, 1916720, 1988597, 2093260, 2447504, 3059380, 3280160, 3349216, 3833440, 3977194, 4186520, 4895008, 6118760, 7954388, 8373040, 9942985, 12237520, 15908776, 16746080, 19885970, 24475040, 31817552, 39771940, 63635104, 79543880, 159087760, 318175520]

約数ペア:

[(1, 318175520), (2, 159087760), (4, 79543880), (5, 63635104), (8, 39771940), (10, 31817552), (13, 24475040), (16, 19885970), (19, 16746080), (20, 15908776), (26, 12237520), (32, 9942985), (38, 8373040), (40, 7954388), (52, 6118760), (65, 4895008), (76, 4186520), (80, 3977194), (83, 3833440), (95, 3349216), (97, 3280160), (104, 3059380), (130, 2447504), (152, 2093260), (160, 1988597), (166, 1916720), (190, 1674608), (194, 1640080), (208, 1529690), (247, 1288160), (260, 1223752), (304, 1046630), (332, 958360), (380, 837304), (388, 820040), (415, 766688), (416, 764845), (485, 656032), (494, 644080), (520, 611876), (608, 523315), (664, 479180), (760, 418652), (776, 410020), (830, 383344), (970, 328016), (988, 322040), (1040, 305938), (1079, 294880), (1235, 257632), (1261, 252320), (1328, 239590), (1520, 209326), (1552, 205010), (1577, 201760), (1660, 191672), (1843, 172640), (1940, 164008), (1976, 161020), (2080, 152969), (2158, 147440), (2470, 128816), (2522, 126160), (2656, 119795), (3040, 104663), (3104, 102505), (3154, 100880), (3320, 95836), (3686, 86320), (3880, 82004), (3952, 80510), (4316, 73720), (4940, 64408), (5044, 63080), (5395, 58976), (6305, 50464), (6308, 50440), (6640, 47918), (7372, 43160), (7760, 41002), (7885, 40352), (7904, 40255), (8051, 39520), (8632, 36860), (9215, 34528), (9880, 32204), (10088, 31540), (10790, 29488), (12610, 25232), (12616, 25220), (13280, 23959), (14744, 21580), (15520, 20501), (15770, 20176), (16102, 19760), (17264, 18430)]