181811232

素因数分解:

$2^5\times 3^2\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1$

素因数の和:287

約数の個数: 144

約数和(自身を含む): 536215680

約数和(自身を除く): 354404448

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 61, 72, 79, 96, 122, 131, 144, 158, 183, 237, 244, 262, 288, 316, 366, 393, 474, 488, 524, 549, 632, 711, 732, 786, 948, 976, 1048, 1098, 1179, 1264, 1422, 1464, 1572, 1896, 1952, 2096, 2196, 2358, 2528, 2844, 2928, 3144, 3792, 4192, 4392, 4716, 4819, 5688, 5856, 6288, 7584, 7991, 8784, 9432, 9638, 10349, 11376, 12576, 14457, 15982, 17568, 18864, 19276, 20698, 22752, 23973, 28914, 31047, 31964, 37728, 38552, 41396, 43371, 47946, 57828, 62094, 63928, 71919, 77104, 82792, 86742, 93141, 95892, 115656, 124188, 127856, 143838, 154208, 165584, 173484, 186282, 191784, 231312, 248376, 255712, 287676, 331168, 346968, 372564, 383568, 462624, 496752, 575352, 631289, 693936, 745128, 767136, 993504, 1150704, 1262578, 1387872, 1490256, 1893867, 2301408, 2525156, 2980512, 3787734, 5050312, 5681601, 7575468, 10100624, 11363202, 15150936, 20201248, 22726404, 30301872, 45452808, 60603744, 90905616, 181811232]

約数ペア:

[(1, 181811232), (2, 90905616), (3, 60603744), (4, 45452808), (6, 30301872), (8, 22726404), (9, 20201248), (12, 15150936), (16, 11363202), (18, 10100624), (24, 7575468), (32, 5681601), (36, 5050312), (48, 3787734), (61, 2980512), (72, 2525156), (79, 2301408), (96, 1893867), (122, 1490256), (131, 1387872), (144, 1262578), (158, 1150704), (183, 993504), (237, 767136), (244, 745128), (262, 693936), (288, 631289), (316, 575352), (366, 496752), (393, 462624), (474, 383568), (488, 372564), (524, 346968), (549, 331168), (632, 287676), (711, 255712), (732, 248376), (786, 231312), (948, 191784), (976, 186282), (1048, 173484), (1098, 165584), (1179, 154208), (1264, 143838), (1422, 127856), (1464, 124188), (1572, 115656), (1896, 95892), (1952, 93141), (2096, 86742), (2196, 82792), (2358, 77104), (2528, 71919), (2844, 63928), (2928, 62094), (3144, 57828), (3792, 47946), (4192, 43371), (4392, 41396), (4716, 38552), (4819, 37728), (5688, 31964), (5856, 31047), (6288, 28914), (7584, 23973), (7991, 22752), (8784, 20698), (9432, 19276), (9638, 18864), (10349, 17568), (11376, 15982), (12576, 14457)]