215928160

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1$

素因数の和:253

約数の個数: 192

約数和(自身を含む): 626572800

約数和(自身を除く): 410644640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 70, 73, 76, 80, 95, 112, 133, 139, 140, 146, 152, 160, 190, 224, 266, 278, 280, 292, 304, 365, 380, 511, 532, 556, 560, 584, 608, 665, 695, 730, 760, 973, 1022, 1064, 1112, 1120, 1168, 1330, 1387, 1390, 1460, 1520, 1946, 2044, 2128, 2224, 2336, 2555, 2641, 2660, 2774, 2780, 2920, 3040, 3892, 4088, 4256, 4448, 4865, 5110, 5282, 5320, 5548, 5560, 5840, 6935, 7784, 8176, 9709, 9730, 10147, 10220, 10564, 10640, 11096, 11120, 11680, 13205, 13870, 15568, 16352, 18487, 19418, 19460, 20294, 20440, 21128, 21280, 22192, 22240, 26410, 27740, 31136, 36974, 38836, 38920, 40588, 40880, 42256, 44384, 48545, 50735, 52820, 55480, 71029, 73948, 77672, 77840, 81176, 81760, 84512, 92435, 97090, 101470, 105640, 110960, 142058, 147896, 155344, 155680, 162352, 184870, 192793, 194180, 202940, 211280, 221920, 284116, 295792, 310688, 324704, 355145, 369740, 385586, 388360, 405880, 422560, 568232, 591584, 710290, 739480, 771172, 776720, 811760, 963965, 1136464, 1349551, 1420580, 1478960, 1542344, 1553440, 1623520, 1927930, 2272928, 2699102, 2841160, 2957920, 3084688, 3855860, 5398204, 5682320, 6169376, 6747755, 7711720, 10796408, 11364640, 13495510, 15423440, 21592816, 26991020, 30846880, 43185632, 53982040, 107964080, 215928160]

約数ペア:

[(1, 215928160), (2, 107964080), (4, 53982040), (5, 43185632), (7, 30846880), (8, 26991020), (10, 21592816), (14, 15423440), (16, 13495510), (19, 11364640), (20, 10796408), (28, 7711720), (32, 6747755), (35, 6169376), (38, 5682320), (40, 5398204), (56, 3855860), (70, 3084688), (73, 2957920), (76, 2841160), (80, 2699102), (95, 2272928), (112, 1927930), (133, 1623520), (139, 1553440), (140, 1542344), (146, 1478960), (152, 1420580), (160, 1349551), (190, 1136464), (224, 963965), (266, 811760), (278, 776720), (280, 771172), (292, 739480), (304, 710290), (365, 591584), (380, 568232), (511, 422560), (532, 405880), (556, 388360), (560, 385586), (584, 369740), (608, 355145), (665, 324704), (695, 310688), (730, 295792), (760, 284116), (973, 221920), (1022, 211280), (1064, 202940), (1112, 194180), (1120, 192793), (1168, 184870), (1330, 162352), (1387, 155680), (1390, 155344), (1460, 147896), (1520, 142058), (1946, 110960), (2044, 105640), (2128, 101470), (2224, 97090), (2336, 92435), (2555, 84512), (2641, 81760), (2660, 81176), (2774, 77840), (2780, 77672), (2920, 73948), (3040, 71029), (3892, 55480), (4088, 52820), (4256, 50735), (4448, 48545), (4865, 44384), (5110, 42256), (5282, 40880), (5320, 40588), (5548, 38920), (5560, 38836), (5840, 36974), (6935, 31136), (7784, 27740), (8176, 26410), (9709, 22240), (9730, 22192), (10147, 21280), (10220, 21128), (10564, 20440), (10640, 20294), (11096, 19460), (11120, 19418), (11680, 18487), (13205, 16352), (13870, 15568)]