212246460

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{31}}^2\times {\mathrm{409}}^1$

素因数の和:489

約数の個数: 144

約数和(自身を含む): 683978400

約数和(自身を除く): 471731940

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, 372, 409, 465, 540, 558, 620, 818, 837, 930, 961, 1116, 1227, 1395, 1636, 1674, 1860, 1922, 2045, 2454, 2790, 2883, 3348, 3681, 3844, 4090, 4185, 4805, 4908, 5580, 5766, 6135, 7362, 8180, 8370, 8649, 9610, 11043, 11532, 12270, 12679, 14415, 14724, 16740, 17298, 18405, 19220, 22086, 24540, 25358, 25947, 28830, 34596, 36810, 38037, 43245, 44172, 50716, 51894, 55215, 57660, 63395, 73620, 76074, 86490, 103788, 110430, 114111, 126790, 129735, 152148, 172980, 190185, 220860, 228222, 253580, 259470, 342333, 380370, 393049, 456444, 518940, 570555, 684666, 760740, 786098, 1141110, 1179147, 1369332, 1572196, 1711665, 1965245, 2282220, 2358294, 3423330, 3537441, 3930490, 4716588, 5895735, 6846660, 7074882, 7860980, 10612323, 11791470, 14149764, 17687205, 21224646, 23582940, 35374410, 42449292, 53061615, 70748820, 106123230, 212246460]

約数ペア:

[(1, 212246460), (2, 106123230), (3, 70748820), (4, 53061615), (5, 42449292), (6, 35374410), (9, 23582940), (10, 21224646), (12, 17687205), (15, 14149764), (18, 11791470), (20, 10612323), (27, 7860980), (30, 7074882), (31, 6846660), (36, 5895735), (45, 4716588), (54, 3930490), (60, 3537441), (62, 3423330), (90, 2358294), (93, 2282220), (108, 1965245), (124, 1711665), (135, 1572196), (155, 1369332), (180, 1179147), (186, 1141110), (270, 786098), (279, 760740), (310, 684666), (372, 570555), (409, 518940), (465, 456444), (540, 393049), (558, 380370), (620, 342333), (818, 259470), (837, 253580), (930, 228222), (961, 220860), (1116, 190185), (1227, 172980), (1395, 152148), (1636, 129735), (1674, 126790), (1860, 114111), (1922, 110430), (2045, 103788), (2454, 86490), (2790, 76074), (2883, 73620), (3348, 63395), (3681, 57660), (3844, 55215), (4090, 51894), (4185, 50716), (4805, 44172), (4908, 43245), (5580, 38037), (5766, 36810), (6135, 34596), (7362, 28830), (8180, 25947), (8370, 25358), (8649, 24540), (9610, 22086), (11043, 19220), (11532, 18405), (12270, 17298), (12679, 16740), (14415, 14724)]