164503980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{31}}^2\times {\mathrm{317}}^1$

素因数の和:397

約数の個数: 144

約数和(自身を含む): 530500320

約数和(自身を除く): 365996340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 31, 36, 45, 54, 60, 62, 90, 93, 108, 124, 135, 155, 180, 186, 270, 279, 310, 317, 372, 465, 540, 558, 620, 634, 837, 930, 951, 961, 1116, 1268, 1395, 1585, 1674, 1860, 1902, 1922, 2790, 2853, 2883, 3170, 3348, 3804, 3844, 4185, 4755, 4805, 5580, 5706, 5766, 6340, 8370, 8559, 8649, 9510, 9610, 9827, 11412, 11532, 14265, 14415, 16740, 17118, 17298, 19020, 19220, 19654, 25947, 28530, 28830, 29481, 34236, 34596, 39308, 42795, 43245, 49135, 51894, 57060, 57660, 58962, 85590, 86490, 88443, 98270, 103788, 117924, 129735, 147405, 171180, 172980, 176886, 196540, 259470, 265329, 294810, 304637, 353772, 442215, 518940, 530658, 589620, 609274, 884430, 913911, 1061316, 1218548, 1326645, 1523185, 1768860, 1827822, 2653290, 2741733, 3046370, 3655644, 4569555, 5306580, 5483466, 6092740, 8225199, 9139110, 10966932, 13708665, 16450398, 18278220, 27417330, 32900796, 41125995, 54834660, 82251990, 164503980]

約数ペア:

[(1, 164503980), (2, 82251990), (3, 54834660), (4, 41125995), (5, 32900796), (6, 27417330), (9, 18278220), (10, 16450398), (12, 13708665), (15, 10966932), (18, 9139110), (20, 8225199), (27, 6092740), (30, 5483466), (31, 5306580), (36, 4569555), (45, 3655644), (54, 3046370), (60, 2741733), (62, 2653290), (90, 1827822), (93, 1768860), (108, 1523185), (124, 1326645), (135, 1218548), (155, 1061316), (180, 913911), (186, 884430), (270, 609274), (279, 589620), (310, 530658), (317, 518940), (372, 442215), (465, 353772), (540, 304637), (558, 294810), (620, 265329), (634, 259470), (837, 196540), (930, 176886), (951, 172980), (961, 171180), (1116, 147405), (1268, 129735), (1395, 117924), (1585, 103788), (1674, 98270), (1860, 88443), (1902, 86490), (1922, 85590), (2790, 58962), (2853, 57660), (2883, 57060), (3170, 51894), (3348, 49135), (3804, 43245), (3844, 42795), (4185, 39308), (4755, 34596), (4805, 34236), (5580, 29481), (5706, 28830), (5766, 28530), (6340, 25947), (8370, 19654), (8559, 19220), (8649, 19020), (9510, 17298), (9610, 17118), (9827, 16740), (11412, 14415), (11532, 14265)]