28305168760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{34019}}^1$

素因数の和:34133

約数の個数: 128

約数和(自身を含む): 72895334400

約数和(自身を除く): 44590165640

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 61, 62, 88, 110, 122, 124, 155, 220, 244, 248, 305, 310, 341, 440, 488, 610, 620, 671, 682, 1220, 1240, 1342, 1364, 1705, 1891, 2440, 2684, 2728, 3355, 3410, 3782, 5368, 6710, 6820, 7564, 9455, 13420, 13640, 15128, 18910, 20801, 26840, 34019, 37820, 41602, 68038, 75640, 83204, 104005, 136076, 166408, 170095, 208010, 272152, 340190, 374209, 416020, 680380, 748418, 832040, 1054589, 1360760, 1496836, 1871045, 2075159, 2109178, 2993672, 3742090, 4150318, 4218356, 5272945, 7484180, 8300636, 8436712, 10375795, 10545890, 11600479, 14968360, 16601272, 20751590, 21091780, 22826749, 23200958, 41503180, 42183560, 45653498, 46401916, 58002395, 64329929, 83006360, 91306996, 92803832, 114133745, 116004790, 128659858, 182613992, 228267490, 232009580, 257319716, 321649645, 456534980, 464019160, 514639432, 643299290, 707629219, 913069960, 1286598580, 1415258438, 2573197160, 2830516876, 3538146095, 5661033752, 7076292190, 14152584380, 28305168760]

約数ペア:

[(1, 28305168760), (2, 14152584380), (4, 7076292190), (5, 5661033752), (8, 3538146095), (10, 2830516876), (11, 2573197160), (20, 1415258438), (22, 1286598580), (31, 913069960), (40, 707629219), (44, 643299290), (55, 514639432), (61, 464019160), (62, 456534980), (88, 321649645), (110, 257319716), (122, 232009580), (124, 228267490), (155, 182613992), (220, 128659858), (244, 116004790), (248, 114133745), (305, 92803832), (310, 91306996), (341, 83006360), (440, 64329929), (488, 58002395), (610, 46401916), (620, 45653498), (671, 42183560), (682, 41503180), (1220, 23200958), (1240, 22826749), (1342, 21091780), (1364, 20751590), (1705, 16601272), (1891, 14968360), (2440, 11600479), (2684, 10545890), (2728, 10375795), (3355, 8436712), (3410, 8300636), (3782, 7484180), (5368, 5272945), (6710, 4218356), (6820, 4150318), (7564, 3742090), (9455, 2993672), (13420, 2109178), (13640, 2075159), (15128, 1871045), (18910, 1496836), (20801, 1360760), (26840, 1054589), (34019, 832040), (37820, 748418), (41602, 680380), (68038, 416020), (75640, 374209), (83204, 340190), (104005, 272152), (136076, 208010), (166408, 170095)]