870351280

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1$

素因数の和:299

約数の個数: 160

約数和(自身を含む): 2204858880

約数和(自身を除く): 1334507600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 41, 46, 80, 82, 83, 92, 115, 139, 164, 166, 184, 205, 230, 278, 328, 332, 368, 410, 415, 460, 556, 656, 664, 695, 820, 830, 920, 943, 1112, 1328, 1390, 1640, 1660, 1840, 1886, 1909, 2224, 2780, 3197, 3280, 3320, 3403, 3772, 3818, 4715, 5560, 5699, 6394, 6640, 6806, 7544, 7636, 9430, 9545, 11120, 11398, 11537, 12788, 13612, 15088, 15272, 15985, 17015, 18860, 19090, 22796, 23074, 25576, 27224, 28495, 30544, 31970, 34030, 37720, 38180, 45592, 46148, 51152, 54448, 56990, 57685, 63940, 68060, 75440, 76360, 78269, 91184, 92296, 113980, 115370, 127880, 131077, 136120, 152720, 156538, 184592, 227960, 230740, 255760, 262154, 265351, 272240, 313076, 391345, 455920, 461480, 473017, 524308, 530702, 626152, 655385, 782690, 922960, 946034, 1048616, 1061404, 1252304, 1310770, 1326755, 1565380, 1892068, 2097232, 2122808, 2365085, 2621540, 2653510, 3130760, 3784136, 4245616, 4730170, 5243080, 5307020, 6261520, 7568272, 9460340, 10486160, 10614040, 10879391, 18920680, 21228080, 21758782, 37841360, 43517564, 54396955, 87035128, 108793910, 174070256, 217587820, 435175640, 870351280]

約数ペア:

[(1, 870351280), (2, 435175640), (4, 217587820), (5, 174070256), (8, 108793910), (10, 87035128), (16, 54396955), (20, 43517564), (23, 37841360), (40, 21758782), (41, 21228080), (46, 18920680), (80, 10879391), (82, 10614040), (83, 10486160), (92, 9460340), (115, 7568272), (139, 6261520), (164, 5307020), (166, 5243080), (184, 4730170), (205, 4245616), (230, 3784136), (278, 3130760), (328, 2653510), (332, 2621540), (368, 2365085), (410, 2122808), (415, 2097232), (460, 1892068), (556, 1565380), (656, 1326755), (664, 1310770), (695, 1252304), (820, 1061404), (830, 1048616), (920, 946034), (943, 922960), (1112, 782690), (1328, 655385), (1390, 626152), (1640, 530702), (1660, 524308), (1840, 473017), (1886, 461480), (1909, 455920), (2224, 391345), (2780, 313076), (3197, 272240), (3280, 265351), (3320, 262154), (3403, 255760), (3772, 230740), (3818, 227960), (4715, 184592), (5560, 156538), (5699, 152720), (6394, 136120), (6640, 131077), (6806, 127880), (7544, 115370), (7636, 113980), (9430, 92296), (9545, 91184), (11120, 78269), (11398, 76360), (11537, 75440), (12788, 68060), (13612, 63940), (15088, 57685), (15272, 56990), (15985, 54448), (17015, 51152), (18860, 46148), (19090, 45592), (22796, 38180), (23074, 37720), (25576, 34030), (27224, 31970), (28495, 30544)]