641968416

素因数分解:

$2^5\times 3^4\times {\mathrm{17}}^2\times {\mathrm{857}}^1$

素因数の和:913

約数の個数: 180

約数和(自身を含む): 2007943938

約数和(自身を除く): 1365975522

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 27, 32, 34, 36, 48, 51, 54, 68, 72, 81, 96, 102, 108, 136, 144, 153, 162, 204, 216, 272, 288, 289, 306, 324, 408, 432, 459, 544, 578, 612, 648, 816, 857, 864, 867, 918, 1156, 1224, 1296, 1377, 1632, 1714, 1734, 1836, 2312, 2448, 2571, 2592, 2601, 2754, 3428, 3468, 3672, 4624, 4896, 5142, 5202, 5508, 6856, 6936, 7344, 7713, 7803, 9248, 10284, 10404, 11016, 13712, 13872, 14569, 14688, 15426, 15606, 20568, 20808, 22032, 23139, 23409, 27424, 27744, 29138, 30852, 31212, 41136, 41616, 43707, 44064, 46278, 46818, 58276, 61704, 62424, 69417, 82272, 83232, 87414, 92556, 93636, 116552, 123408, 124848, 131121, 138834, 174828, 185112, 187272, 233104, 246816, 247673, 249696, 262242, 277668, 349656, 370224, 374544, 393363, 466208, 495346, 524484, 555336, 699312, 740448, 743019, 749088, 786726, 990692, 1048968, 1110672, 1180089, 1398624, 1486038, 1573452, 1981384, 2097936, 2221344, 2229057, 2360178, 2972076, 3146904, 3962768, 4195872, 4458114, 4720356, 5944152, 6293808, 6687171, 7925536, 8916228, 9440712, 11888304, 12587616, 13374342, 17832456, 18881424, 20061513, 23776608, 26748684, 35664912, 37762848, 40123026, 53497368, 71329824, 80246052, 106994736, 160492104, 213989472, 320984208, 641968416]

約数ペア:

[(1, 641968416), (2, 320984208), (3, 213989472), (4, 160492104), (6, 106994736), (8, 80246052), (9, 71329824), (12, 53497368), (16, 40123026), (17, 37762848), (18, 35664912), (24, 26748684), (27, 23776608), (32, 20061513), (34, 18881424), (36, 17832456), (48, 13374342), (51, 12587616), (54, 11888304), (68, 9440712), (72, 8916228), (81, 7925536), (96, 6687171), (102, 6293808), (108, 5944152), (136, 4720356), (144, 4458114), (153, 4195872), (162, 3962768), (204, 3146904), (216, 2972076), (272, 2360178), (288, 2229057), (289, 2221344), (306, 2097936), (324, 1981384), (408, 1573452), (432, 1486038), (459, 1398624), (544, 1180089), (578, 1110672), (612, 1048968), (648, 990692), (816, 786726), (857, 749088), (864, 743019), (867, 740448), (918, 699312), (1156, 555336), (1224, 524484), (1296, 495346), (1377, 466208), (1632, 393363), (1714, 374544), (1734, 370224), (1836, 349656), (2312, 277668), (2448, 262242), (2571, 249696), (2592, 247673), (2601, 246816), (2754, 233104), (3428, 187272), (3468, 185112), (3672, 174828), (4624, 138834), (4896, 131121), (5142, 124848), (5202, 123408), (5508, 116552), (6856, 93636), (6936, 92556), (7344, 87414), (7713, 83232), (7803, 82272), (9248, 69417), (10284, 62424), (10404, 61704), (11016, 58276), (13712, 46818), (13872, 46278), (14569, 44064), (14688, 43707), (15426, 41616), (15606, 41136), (20568, 31212), (20808, 30852), (22032, 29138), (23139, 27744), (23409, 27424)]