218908980

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1453}}^1$

素因数の和:1508

約数の個数: 144

約数和(自身を含む): 711320064

約数和(自身を除く): 492411084

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 31, 36, 45, 54, 60, 62, 81, 90, 93, 108, 124, 135, 155, 162, 180, 186, 243, 270, 279, 310, 324, 372, 405, 465, 486, 540, 558, 620, 810, 837, 930, 972, 1116, 1215, 1395, 1453, 1620, 1674, 1860, 2430, 2511, 2790, 2906, 3348, 4185, 4359, 4860, 5022, 5580, 5812, 7265, 7533, 8370, 8718, 10044, 12555, 13077, 14530, 15066, 16740, 17436, 21795, 25110, 26154, 29060, 30132, 37665, 39231, 43590, 45043, 50220, 52308, 65385, 75330, 78462, 87180, 90086, 117693, 130770, 135129, 150660, 156924, 180172, 196155, 225215, 235386, 261540, 270258, 353079, 392310, 405387, 450430, 470772, 540516, 588465, 675645, 706158, 784620, 810774, 900860, 1176930, 1216161, 1351290, 1412316, 1621548, 1765395, 2026935, 2353860, 2432322, 2702580, 3530790, 3648483, 4053870, 4864644, 6080805, 7061580, 7296966, 8107740, 10945449, 12161610, 14593932, 18242415, 21890898, 24323220, 36484830, 43781796, 54727245, 72969660, 109454490, 218908980]

約数ペア:

[(1, 218908980), (2, 109454490), (3, 72969660), (4, 54727245), (5, 43781796), (6, 36484830), (9, 24323220), (10, 21890898), (12, 18242415), (15, 14593932), (18, 12161610), (20, 10945449), (27, 8107740), (30, 7296966), (31, 7061580), (36, 6080805), (45, 4864644), (54, 4053870), (60, 3648483), (62, 3530790), (81, 2702580), (90, 2432322), (93, 2353860), (108, 2026935), (124, 1765395), (135, 1621548), (155, 1412316), (162, 1351290), (180, 1216161), (186, 1176930), (243, 900860), (270, 810774), (279, 784620), (310, 706158), (324, 675645), (372, 588465), (405, 540516), (465, 470772), (486, 450430), (540, 405387), (558, 392310), (620, 353079), (810, 270258), (837, 261540), (930, 235386), (972, 225215), (1116, 196155), (1215, 180172), (1395, 156924), (1453, 150660), (1620, 135129), (1674, 130770), (1860, 117693), (2430, 90086), (2511, 87180), (2790, 78462), (2906, 75330), (3348, 65385), (4185, 52308), (4359, 50220), (4860, 45043), (5022, 43590), (5580, 39231), (5812, 37665), (7265, 30132), (7533, 29060), (8370, 26154), (8718, 25110), (10044, 21795), (12555, 17436), (13077, 16740), (14530, 15066)]