160255880

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1$

素因数の和:247

約数の個数: 128

約数和(自身を含む): 402192000

約数和(自身を除く): 241936120

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 37, 38, 40, 41, 74, 76, 82, 95, 139, 148, 152, 164, 185, 190, 205, 278, 296, 328, 370, 380, 410, 556, 695, 703, 740, 760, 779, 820, 1112, 1390, 1406, 1480, 1517, 1558, 1640, 2641, 2780, 2812, 3034, 3116, 3515, 3895, 5143, 5282, 5560, 5624, 5699, 6068, 6232, 7030, 7585, 7790, 10286, 10564, 11398, 12136, 13205, 14060, 15170, 15580, 20572, 21128, 22796, 25715, 26410, 28120, 28495, 28823, 30340, 31160, 41144, 45592, 51430, 52820, 56990, 57646, 60680, 97717, 102860, 105640, 108281, 113980, 115292, 144115, 195434, 205720, 210863, 216562, 227960, 230584, 288230, 390868, 421726, 433124, 488585, 541405, 576460, 781736, 843452, 866248, 977170, 1054315, 1082810, 1152920, 1686904, 1954340, 2108630, 2165620, 3908680, 4006397, 4217260, 4331240, 8012794, 8434520, 16025588, 20031985, 32051176, 40063970, 80127940, 160255880]

約数ペア:

[(1, 160255880), (2, 80127940), (4, 40063970), (5, 32051176), (8, 20031985), (10, 16025588), (19, 8434520), (20, 8012794), (37, 4331240), (38, 4217260), (40, 4006397), (41, 3908680), (74, 2165620), (76, 2108630), (82, 1954340), (95, 1686904), (139, 1152920), (148, 1082810), (152, 1054315), (164, 977170), (185, 866248), (190, 843452), (205, 781736), (278, 576460), (296, 541405), (328, 488585), (370, 433124), (380, 421726), (410, 390868), (556, 288230), (695, 230584), (703, 227960), (740, 216562), (760, 210863), (779, 205720), (820, 195434), (1112, 144115), (1390, 115292), (1406, 113980), (1480, 108281), (1517, 105640), (1558, 102860), (1640, 97717), (2641, 60680), (2780, 57646), (2812, 56990), (3034, 52820), (3116, 51430), (3515, 45592), (3895, 41144), (5143, 31160), (5282, 30340), (5560, 28823), (5624, 28495), (5699, 28120), (6068, 26410), (6232, 25715), (7030, 22796), (7585, 21128), (7790, 20572), (10286, 15580), (10564, 15170), (11398, 14060), (12136, 13205)]