19610280

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:144

約数の個数: 192

約数和(自身を含む): 69638400

約数和(自身を除く): 50028120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 36, 38, 40, 45, 47, 57, 60, 61, 72, 76, 90, 94, 95, 114, 120, 122, 141, 152, 171, 180, 183, 188, 190, 228, 235, 244, 282, 285, 305, 342, 360, 366, 376, 380, 423, 456, 470, 488, 549, 564, 570, 610, 684, 705, 732, 760, 846, 855, 893, 915, 940, 1098, 1128, 1140, 1159, 1220, 1368, 1410, 1464, 1692, 1710, 1786, 1830, 1880, 2115, 2196, 2280, 2318, 2440, 2679, 2745, 2820, 2867, 3384, 3420, 3477, 3572, 3660, 4230, 4392, 4465, 4636, 5358, 5490, 5640, 5734, 5795, 6840, 6954, 7144, 7320, 8037, 8460, 8601, 8930, 9272, 10431, 10716, 10980, 11468, 11590, 13395, 13908, 14335, 16074, 16920, 17202, 17385, 17860, 20862, 21432, 21960, 22936, 23180, 25803, 26790, 27816, 28670, 32148, 34404, 34770, 35720, 40185, 41724, 43005, 46360, 51606, 52155, 53580, 54473, 57340, 64296, 68808, 69540, 80370, 83448, 86010, 103212, 104310, 107160, 108946, 114680, 129015, 139080, 160740, 163419, 172020, 206424, 208620, 217892, 258030, 272365, 321480, 326838, 344040, 417240, 435784, 490257, 516060, 544730, 653676, 817095, 980514, 1032120, 1089460, 1307352, 1634190, 1961028, 2178920, 2451285, 3268380, 3922056, 4902570, 6536760, 9805140, 19610280]

約数ペア:

[(1, 19610280), (2, 9805140), (3, 6536760), (4, 4902570), (5, 3922056), (6, 3268380), (8, 2451285), (9, 2178920), (10, 1961028), (12, 1634190), (15, 1307352), (18, 1089460), (19, 1032120), (20, 980514), (24, 817095), (30, 653676), (36, 544730), (38, 516060), (40, 490257), (45, 435784), (47, 417240), (57, 344040), (60, 326838), (61, 321480), (72, 272365), (76, 258030), (90, 217892), (94, 208620), (95, 206424), (114, 172020), (120, 163419), (122, 160740), (141, 139080), (152, 129015), (171, 114680), (180, 108946), (183, 107160), (188, 104310), (190, 103212), (228, 86010), (235, 83448), (244, 80370), (282, 69540), (285, 68808), (305, 64296), (342, 57340), (360, 54473), (366, 53580), (376, 52155), (380, 51606), (423, 46360), (456, 43005), (470, 41724), (488, 40185), (549, 35720), (564, 34770), (570, 34404), (610, 32148), (684, 28670), (705, 27816), (732, 26790), (760, 25803), (846, 23180), (855, 22936), (893, 21960), (915, 21432), (940, 20862), (1098, 17860), (1128, 17385), (1140, 17202), (1159, 16920), (1220, 16074), (1368, 14335), (1410, 13908), (1464, 13395), (1692, 11590), (1710, 11468), (1786, 10980), (1830, 10716), (1880, 10431), (2115, 9272), (2196, 8930), (2280, 8601), (2318, 8460), (2440, 8037), (2679, 7320), (2745, 7144), (2820, 6954), (2867, 6840), (3384, 5795), (3420, 5734), (3477, 5640), (3572, 5490), (3660, 5358), (4230, 4636), (4392, 4465)]