31055940

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{199}}^1$

素因数の和:251

約数の個数: 144

約数和(自身を含む): 103152000

約数和(自身を除く): 72096060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 27, 30, 34, 36, 45, 51, 54, 60, 68, 85, 90, 102, 108, 135, 153, 170, 180, 199, 204, 255, 270, 289, 306, 340, 398, 459, 510, 540, 578, 597, 612, 765, 796, 867, 918, 995, 1020, 1156, 1194, 1445, 1530, 1734, 1791, 1836, 1990, 2295, 2388, 2601, 2890, 2985, 3060, 3383, 3468, 3582, 3980, 4335, 4590, 5202, 5373, 5780, 5970, 6766, 7164, 7803, 8670, 8955, 9180, 10149, 10404, 10746, 11940, 13005, 13532, 15606, 16915, 17340, 17910, 20298, 21492, 26010, 26865, 30447, 31212, 33830, 35820, 39015, 40596, 50745, 52020, 53730, 57511, 60894, 67660, 78030, 91341, 101490, 107460, 115022, 121788, 152235, 156060, 172533, 182682, 202980, 230044, 287555, 304470, 345066, 365364, 456705, 517599, 575110, 608940, 690132, 862665, 913410, 1035198, 1150220, 1552797, 1725330, 1826820, 2070396, 2587995, 3105594, 3450660, 5175990, 6211188, 7763985, 10351980, 15527970, 31055940]

約数ペア:

[(1, 31055940), (2, 15527970), (3, 10351980), (4, 7763985), (5, 6211188), (6, 5175990), (9, 3450660), (10, 3105594), (12, 2587995), (15, 2070396), (17, 1826820), (18, 1725330), (20, 1552797), (27, 1150220), (30, 1035198), (34, 913410), (36, 862665), (45, 690132), (51, 608940), (54, 575110), (60, 517599), (68, 456705), (85, 365364), (90, 345066), (102, 304470), (108, 287555), (135, 230044), (153, 202980), (170, 182682), (180, 172533), (199, 156060), (204, 152235), (255, 121788), (270, 115022), (289, 107460), (306, 101490), (340, 91341), (398, 78030), (459, 67660), (510, 60894), (540, 57511), (578, 53730), (597, 52020), (612, 50745), (765, 40596), (796, 39015), (867, 35820), (918, 33830), (995, 31212), (1020, 30447), (1156, 26865), (1194, 26010), (1445, 21492), (1530, 20298), (1734, 17910), (1791, 17340), (1836, 16915), (1990, 15606), (2295, 13532), (2388, 13005), (2601, 11940), (2890, 10746), (2985, 10404), (3060, 10149), (3383, 9180), (3468, 8955), (3582, 8670), (3980, 7803), (4335, 7164), (4590, 6766), (5202, 5970), (5373, 5780)]