68960880

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^2$

素因数の和:180

約数の個数: 180

約数和(自身を含む): 247264680

約数和(自身を除く): 178303800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 38, 40, 45, 48, 57, 60, 71, 72, 76, 80, 90, 95, 114, 120, 142, 144, 152, 171, 180, 190, 213, 228, 240, 284, 285, 304, 342, 355, 360, 380, 426, 456, 568, 570, 639, 684, 710, 720, 760, 852, 855, 912, 1065, 1136, 1140, 1278, 1349, 1368, 1420, 1520, 1704, 1710, 2130, 2280, 2556, 2698, 2736, 2840, 3195, 3408, 3420, 4047, 4260, 4560, 5041, 5112, 5396, 5680, 6390, 6745, 6840, 8094, 8520, 10082, 10224, 10792, 12141, 12780, 13490, 13680, 15123, 16188, 17040, 20164, 20235, 21584, 24282, 25205, 25560, 26980, 30246, 32376, 40328, 40470, 45369, 48564, 50410, 51120, 53960, 60492, 60705, 64752, 75615, 80656, 80940, 90738, 95779, 97128, 100820, 107920, 120984, 121410, 151230, 161880, 181476, 191558, 194256, 201640, 226845, 241968, 242820, 287337, 302460, 323760, 362952, 383116, 403280, 453690, 478895, 485640, 574674, 604920, 725904, 766232, 862011, 907380, 957790, 971280, 1149348, 1209840, 1436685, 1532464, 1724022, 1814760, 1915580, 2298696, 2873370, 3448044, 3629520, 3831160, 4310055, 4597392, 5746740, 6896088, 7662320, 8620110, 11493480, 13792176, 17240220, 22986960, 34480440, 68960880]

約数ペア:

[(1, 68960880), (2, 34480440), (3, 22986960), (4, 17240220), (5, 13792176), (6, 11493480), (8, 8620110), (9, 7662320), (10, 6896088), (12, 5746740), (15, 4597392), (16, 4310055), (18, 3831160), (19, 3629520), (20, 3448044), (24, 2873370), (30, 2298696), (36, 1915580), (38, 1814760), (40, 1724022), (45, 1532464), (48, 1436685), (57, 1209840), (60, 1149348), (71, 971280), (72, 957790), (76, 907380), (80, 862011), (90, 766232), (95, 725904), (114, 604920), (120, 574674), (142, 485640), (144, 478895), (152, 453690), (171, 403280), (180, 383116), (190, 362952), (213, 323760), (228, 302460), (240, 287337), (284, 242820), (285, 241968), (304, 226845), (342, 201640), (355, 194256), (360, 191558), (380, 181476), (426, 161880), (456, 151230), (568, 121410), (570, 120984), (639, 107920), (684, 100820), (710, 97128), (720, 95779), (760, 90738), (852, 80940), (855, 80656), (912, 75615), (1065, 64752), (1136, 60705), (1140, 60492), (1278, 53960), (1349, 51120), (1368, 50410), (1420, 48564), (1520, 45369), (1704, 40470), (1710, 40328), (2130, 32376), (2280, 30246), (2556, 26980), (2698, 25560), (2736, 25205), (2840, 24282), (3195, 21584), (3408, 20235), (3420, 20164), (4047, 17040), (4260, 16188), (4560, 15123), (5041, 13680), (5112, 13490), (5396, 12780), (5680, 12141), (6390, 10792), (6745, 10224), (6840, 10082), (8094, 8520)]