18464404140

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^2$

素因数の和:140

約数の個数: 1152

約数和(自身を含む): 80716124160

約数和(自身を除く): 62251720020

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 17, 18, 20, 21, 23, 26, 27, 28, 30, 31, 34, 35, 36, 39, 42, 45, 46, 51, 52, 54, 60, 62, 63, 65, 68, 69, 70, 78, 84, 85, 90, 91, 92, 93, 102, 105, 108, 115, 117, 119, 124, 126, 130, 135, 138, 140, 153, 155, 156, 161, 170, 180, 182, 186, 189, 195, 204, 207, 210, 217, 221, 230, 234, 238, 252, 255, 260, 270, 273, 276, 279, 299, 306, 310, 315, 322, 340, 345, 351, 357, 364, 372, 378, 390, 391, 403, 414, 420, 434, 442, 455, 459, 460, 465, 468, 476, 483, 510, 527, 540, 546, 558, 585, 595, 598, 612, 620, 621, 630, 644, 651, 663, 690, 702, 713, 714, 756, 765, 780, 782, 805, 806, 819, 828, 837, 868, 884, 897, 910, 918, 930, 945, 961, 966, 1020, 1035, 1054, 1071, 1085, 1092, 1105, 1116, 1170, 1173, 1190, 1196, 1209, 1242, 1260, 1302, 1326, 1365, 1380, 1395, 1404, 1426, 1428, 1449, 1495, 1530, 1547, 1564, 1581, 1610, 1612, 1638, 1674, 1755, 1785, 1794, 1820, 1836, 1860, 1890, 1922, 1932, 1953, 1955, 1989, 2015, 2070, 2093, 2108, 2139, 2142, 2170, 2210, 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約数ペア:

[(1, 18464404140), (2, 9232202070), (3, 6154801380), (4, 4616101035), (5, 3692880828), (6, 3077400690), (7, 2637772020), (9, 2051600460), (10, 1846440414), (12, 1538700345), (13, 1420338780), (14, 1318886010), (15, 1230960276), (17, 1086141420), (18, 1025800230), (20, 923220207), (21, 879257340), (23, 802800180), (26, 710169390), (27, 683866820), (28, 659443005), (30, 615480138), (31, 595625940), (34, 543070710), (35, 527554404), (36, 512900115), (39, 473446260), (42, 439628670), (45, 410320092), (46, 401400090), (51, 362047140), (52, 355084695), (54, 341933410), (60, 307740069), (62, 297812970), (63, 293085780), (65, 284067756), (68, 271535355), (69, 267600060), (70, 263777202), (78, 236723130), (84, 219814335), (85, 217228284), (90, 205160046), (91, 202905540), (92, 200700045), (93, 198541980), (102, 181023570), (105, 175851468), (108, 170966705), (115, 160560036), (117, 157815420), (119, 155163060), (124, 148906485), (126, 146542890), (130, 142033878), (135, 136773364), (138, 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