90715860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{257}}^1$

素因数の和:362

約数の個数: 144

約数和(自身を含む): 289061136

約数和(自身を除く): 198345276

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 45, 53, 60, 74, 90, 106, 111, 148, 159, 180, 185, 212, 222, 257, 265, 318, 333, 370, 444, 477, 514, 530, 555, 636, 666, 740, 771, 795, 954, 1028, 1060, 1110, 1285, 1332, 1542, 1590, 1665, 1908, 1961, 2220, 2313, 2385, 2570, 3084, 3180, 3330, 3855, 3922, 4626, 4770, 5140, 5883, 6660, 7710, 7844, 9252, 9509, 9540, 9805, 11565, 11766, 13621, 15420, 17649, 19018, 19610, 23130, 23532, 27242, 28527, 29415, 35298, 38036, 39220, 40863, 46260, 47545, 54484, 57054, 58830, 68105, 70596, 81726, 85581, 88245, 95090, 114108, 117660, 122589, 136210, 142635, 163452, 171162, 176490, 190180, 204315, 245178, 272420, 285270, 342324, 352980, 408630, 427905, 490356, 503977, 570540, 612945, 817260, 855810, 1007954, 1225890, 1511931, 1711620, 2015908, 2451780, 2519885, 3023862, 4535793, 5039770, 6047724, 7559655, 9071586, 10079540, 15119310, 18143172, 22678965, 30238620, 45357930, 90715860]

約数ペア:

[(1, 90715860), (2, 45357930), (3, 30238620), (4, 22678965), (5, 18143172), (6, 15119310), (9, 10079540), (10, 9071586), (12, 7559655), (15, 6047724), (18, 5039770), (20, 4535793), (30, 3023862), (36, 2519885), (37, 2451780), (45, 2015908), (53, 1711620), (60, 1511931), (74, 1225890), (90, 1007954), (106, 855810), (111, 817260), (148, 612945), (159, 570540), (180, 503977), (185, 490356), (212, 427905), (222, 408630), (257, 352980), (265, 342324), (318, 285270), (333, 272420), (370, 245178), (444, 204315), (477, 190180), (514, 176490), (530, 171162), (555, 163452), (636, 142635), (666, 136210), (740, 122589), (771, 117660), (795, 114108), (954, 95090), (1028, 88245), (1060, 85581), (1110, 81726), (1285, 70596), (1332, 68105), (1542, 58830), (1590, 57054), (1665, 54484), (1908, 47545), (1961, 46260), (2220, 40863), (2313, 39220), (2385, 38036), (2570, 35298), (3084, 29415), (3180, 28527), (3330, 27242), (3855, 23532), (3922, 23130), (4626, 19610), (4770, 19018), (5140, 17649), (5883, 15420), (6660, 13621), (7710, 11766), (7844, 11565), (9252, 9805), (9509, 9540)]