160490720

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:209

約数の個数: 192

約数和(自身を含む): 447068160

約数和(自身を除く): 286577440

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 31, 32, 38, 40, 52, 62, 65, 76, 80, 95, 104, 124, 130, 131, 152, 155, 160, 190, 208, 247, 248, 260, 262, 304, 310, 380, 403, 416, 494, 496, 520, 524, 589, 608, 620, 655, 760, 806, 988, 992, 1040, 1048, 1178, 1235, 1240, 1310, 1520, 1612, 1703, 1976, 2015, 2080, 2096, 2356, 2470, 2480, 2489, 2620, 2945, 3040, 3224, 3406, 3952, 4030, 4061, 4192, 4712, 4940, 4960, 4978, 5240, 5890, 6448, 6812, 7657, 7904, 8060, 8122, 8515, 9424, 9880, 9956, 10480, 11780, 12445, 12896, 13624, 15314, 16120, 16244, 17030, 18848, 19760, 19912, 20305, 20960, 23560, 24890, 27248, 30628, 32240, 32357, 32488, 34060, 38285, 39520, 39824, 40610, 47120, 49780, 52793, 54496, 61256, 64480, 64714, 64976, 68120, 76570, 77159, 79648, 81220, 94240, 99560, 105586, 122512, 129428, 129952, 136240, 153140, 154318, 161785, 162440, 199120, 211172, 245024, 258856, 263965, 272480, 306280, 308636, 323570, 324880, 385795, 398240, 422344, 517712, 527930, 612560, 617272, 647140, 649760, 771590, 844688, 1003067, 1035424, 1055860, 1225120, 1234544, 1294280, 1543180, 1689376, 2006134, 2111720, 2469088, 2588560, 3086360, 4012268, 4223440, 5015335, 5177120, 6172720, 8024536, 8446880, 10030670, 12345440, 16049072, 20061340, 32098144, 40122680, 80245360, 160490720]

約数ペア:

[(1, 160490720), (2, 80245360), (4, 40122680), (5, 32098144), (8, 20061340), (10, 16049072), (13, 12345440), (16, 10030670), (19, 8446880), (20, 8024536), (26, 6172720), (31, 5177120), (32, 5015335), (38, 4223440), (40, 4012268), (52, 3086360), (62, 2588560), (65, 2469088), (76, 2111720), (80, 2006134), (95, 1689376), (104, 1543180), (124, 1294280), (130, 1234544), (131, 1225120), (152, 1055860), (155, 1035424), (160, 1003067), (190, 844688), (208, 771590), (247, 649760), (248, 647140), (260, 617272), (262, 612560), (304, 527930), (310, 517712), (380, 422344), (403, 398240), (416, 385795), (494, 324880), (496, 323570), (520, 308636), (524, 306280), (589, 272480), (608, 263965), (620, 258856), (655, 245024), (760, 211172), (806, 199120), (988, 162440), (992, 161785), (1040, 154318), (1048, 153140), (1178, 136240), (1235, 129952), (1240, 129428), (1310, 122512), (1520, 105586), (1612, 99560), (1703, 94240), (1976, 81220), (2015, 79648), (2080, 77159), (2096, 76570), (2356, 68120), (2470, 64976), (2480, 64714), (2489, 64480), (2620, 61256), (2945, 54496), (3040, 52793), (3224, 49780), (3406, 47120), (3952, 40610), (4030, 39824), (4061, 39520), (4192, 38285), (4712, 34060), (4940, 32488), (4960, 32357), (4978, 32240), (5240, 30628), (5890, 27248), (6448, 24890), (6812, 23560), (7657, 20960), (7904, 20305), (8060, 19912), (8122, 19760), (8515, 18848), (9424, 17030), (9880, 16244), (9956, 16120), (10480, 15314), (11780, 13624), (12445, 12896)]