178148940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^2$

素因数の和:204

約数の個数: 144

約数和(自身を含む): 549749760

約数和(自身を除く): 371600820

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 31, 38, 57, 60, 62, 71, 76, 93, 95, 114, 124, 142, 155, 186, 190, 213, 228, 284, 285, 310, 355, 372, 380, 426, 465, 570, 589, 620, 710, 852, 930, 1065, 1140, 1178, 1349, 1420, 1767, 1860, 2130, 2201, 2356, 2698, 2945, 3534, 4047, 4260, 4402, 5041, 5396, 5890, 6603, 6745, 7068, 8094, 8804, 8835, 10082, 11005, 11780, 13206, 13490, 15123, 16188, 17670, 20164, 20235, 22010, 25205, 26412, 26980, 30246, 33015, 35340, 40470, 41819, 44020, 50410, 60492, 66030, 75615, 80940, 83638, 95779, 100820, 125457, 132060, 151230, 156271, 167276, 191558, 209095, 250914, 287337, 302460, 312542, 383116, 418190, 468813, 478895, 501828, 574674, 625084, 627285, 781355, 836380, 937626, 957790, 1149348, 1254570, 1436685, 1562710, 1875252, 1915580, 2344065, 2509140, 2873370, 2969149, 3125420, 4688130, 5746740, 5938298, 8907447, 9376260, 11876596, 14845745, 17814894, 29691490, 35629788, 44537235, 59382980, 89074470, 178148940]

約数ペア:

[(1, 178148940), (2, 89074470), (3, 59382980), (4, 44537235), (5, 35629788), (6, 29691490), (10, 17814894), (12, 14845745), (15, 11876596), (19, 9376260), (20, 8907447), (30, 5938298), (31, 5746740), (38, 4688130), (57, 3125420), (60, 2969149), (62, 2873370), (71, 2509140), (76, 2344065), (93, 1915580), (95, 1875252), (114, 1562710), (124, 1436685), (142, 1254570), (155, 1149348), (186, 957790), (190, 937626), (213, 836380), (228, 781355), (284, 627285), (285, 625084), (310, 574674), (355, 501828), (372, 478895), (380, 468813), (426, 418190), (465, 383116), (570, 312542), (589, 302460), (620, 287337), (710, 250914), (852, 209095), (930, 191558), (1065, 167276), (1140, 156271), (1178, 151230), (1349, 132060), (1420, 125457), (1767, 100820), (1860, 95779), (2130, 83638), (2201, 80940), (2356, 75615), (2698, 66030), (2945, 60492), (3534, 50410), (4047, 44020), (4260, 41819), (4402, 40470), (5041, 35340), (5396, 33015), (5890, 30246), (6603, 26980), (6745, 26412), (7068, 25205), (8094, 22010), (8804, 20235), (8835, 20164), (10082, 17670), (11005, 16188), (11780, 15123), (13206, 13490)]