17808180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{79}}^1$

素因数の和:138

約数の個数: 144

約数和(自身を含む): 57765120

約数和(自身を除く): 39956940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 17, 20, 26, 30, 34, 39, 51, 52, 60, 65, 68, 78, 79, 85, 102, 130, 156, 158, 170, 195, 204, 221, 237, 255, 260, 289, 316, 340, 390, 395, 442, 474, 510, 578, 663, 780, 790, 867, 884, 948, 1020, 1027, 1105, 1156, 1185, 1326, 1343, 1445, 1580, 1734, 2054, 2210, 2370, 2652, 2686, 2890, 3081, 3315, 3468, 3757, 4029, 4108, 4335, 4420, 4740, 5135, 5372, 5780, 6162, 6630, 6715, 7514, 8058, 8670, 10270, 11271, 12324, 13260, 13430, 15028, 15405, 16116, 17340, 17459, 18785, 20145, 20540, 22542, 22831, 26860, 30810, 34918, 37570, 40290, 45084, 45662, 52377, 56355, 61620, 68493, 69836, 75140, 80580, 87295, 91324, 104754, 112710, 114155, 136986, 174590, 209508, 225420, 228310, 261885, 273972, 296803, 342465, 349180, 456620, 523770, 593606, 684930, 890409, 1047540, 1187212, 1369860, 1484015, 1780818, 2968030, 3561636, 4452045, 5936060, 8904090, 17808180]

約数ペア:

[(1, 17808180), (2, 8904090), (3, 5936060), (4, 4452045), (5, 3561636), (6, 2968030), (10, 1780818), (12, 1484015), (13, 1369860), (15, 1187212), (17, 1047540), (20, 890409), (26, 684930), (30, 593606), (34, 523770), (39, 456620), (51, 349180), (52, 342465), (60, 296803), (65, 273972), (68, 261885), (78, 228310), (79, 225420), (85, 209508), (102, 174590), (130, 136986), (156, 114155), (158, 112710), (170, 104754), (195, 91324), (204, 87295), (221, 80580), (237, 75140), (255, 69836), (260, 68493), (289, 61620), (316, 56355), (340, 52377), (390, 45662), (395, 45084), (442, 40290), (474, 37570), (510, 34918), (578, 30810), (663, 26860), (780, 22831), (790, 22542), (867, 20540), (884, 20145), (948, 18785), (1020, 17459), (1027, 17340), (1105, 16116), (1156, 15405), (1185, 15028), (1326, 13430), (1343, 13260), (1445, 12324), (1580, 11271), (1734, 10270), (2054, 8670), (2210, 8058), (2370, 7514), (2652, 6715), (2686, 6630), (2890, 6162), (3081, 5780), (3315, 5372), (3468, 5135), (3757, 4740), (4029, 4420), (4108, 4335)]