28489560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{191}}^1$

素因数の和:329

約数の個数: 128

約数和(自身を含む): 94556160

約数和(自身を除く): 66066600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 113, 120, 132, 165, 191, 220, 226, 264, 330, 339, 382, 440, 452, 565, 573, 660, 678, 764, 904, 955, 1130, 1146, 1243, 1320, 1356, 1528, 1695, 1910, 2101, 2260, 2292, 2486, 2712, 2865, 3390, 3729, 3820, 4202, 4520, 4584, 4972, 5730, 6215, 6303, 6780, 7458, 7640, 8404, 9944, 10505, 11460, 12430, 12606, 13560, 14916, 16808, 18645, 21010, 21583, 22920, 24860, 25212, 29832, 31515, 37290, 42020, 43166, 49720, 50424, 63030, 64749, 74580, 84040, 86332, 107915, 126060, 129498, 149160, 172664, 215830, 237413, 252120, 258996, 323745, 431660, 474826, 517992, 647490, 712239, 863320, 949652, 1187065, 1294980, 1424478, 1899304, 2374130, 2589960, 2848956, 3561195, 4748260, 5697912, 7122390, 9496520, 14244780, 28489560]

約数ペア:

[(1, 28489560), (2, 14244780), (3, 9496520), (4, 7122390), (5, 5697912), (6, 4748260), (8, 3561195), (10, 2848956), (11, 2589960), (12, 2374130), (15, 1899304), (20, 1424478), (22, 1294980), (24, 1187065), (30, 949652), (33, 863320), (40, 712239), (44, 647490), (55, 517992), (60, 474826), (66, 431660), (88, 323745), (110, 258996), (113, 252120), (120, 237413), (132, 215830), (165, 172664), (191, 149160), (220, 129498), (226, 126060), (264, 107915), (330, 86332), (339, 84040), (382, 74580), (440, 64749), (452, 63030), (565, 50424), (573, 49720), (660, 43166), (678, 42020), (764, 37290), (904, 31515), (955, 29832), (1130, 25212), (1146, 24860), (1243, 22920), (1320, 21583), (1356, 21010), (1528, 18645), (1695, 16808), (1910, 14916), (2101, 13560), (2260, 12606), (2292, 12430), (2486, 11460), (2712, 10505), (2865, 9944), (3390, 8404), (3729, 7640), (3820, 7458), (4202, 6780), (4520, 6303), (4584, 6215), (4972, 5730)]