172687360

素因数分解:

$2^{16}\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1$

素因数の和:85

約数の個数: 136

約数和(自身を含む): 452981376

約数和(自身を除く): 280294016

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 32, 34, 40, 62, 64, 68, 80, 85, 124, 128, 136, 155, 160, 170, 248, 256, 272, 310, 320, 340, 496, 512, 527, 544, 620, 640, 680, 992, 1024, 1054, 1088, 1240, 1280, 1360, 1984, 2048, 2108, 2176, 2480, 2560, 2635, 2720, 3968, 4096, 4216, 4352, 4960, 5120, 5270, 5440, 7936, 8192, 8432, 8704, 9920, 10240, 10540, 10880, 15872, 16384, 16864, 17408, 19840, 20480, 21080, 21760, 31744, 32768, 33728, 34816, 39680, 40960, 42160, 43520, 63488, 65536, 67456, 69632, 79360, 81920, 84320, 87040, 126976, 134912, 139264, 158720, 163840, 168640, 174080, 253952, 269824, 278528, 317440, 327680, 337280, 348160, 507904, 539648, 557056, 634880, 674560, 696320, 1015808, 1079296, 1114112, 1269760, 1349120, 1392640, 2031616, 2158592, 2539520, 2698240, 2785280, 4317184, 5079040, 5396480, 5570560, 8634368, 10158080, 10792960, 17268736, 21585920, 34537472, 43171840, 86343680, 172687360]

約数ペア:

[(1, 172687360), (2, 86343680), (4, 43171840), (5, 34537472), (8, 21585920), (10, 17268736), (16, 10792960), (17, 10158080), (20, 8634368), (31, 5570560), (32, 5396480), (34, 5079040), (40, 4317184), (62, 2785280), (64, 2698240), (68, 2539520), (80, 2158592), (85, 2031616), (124, 1392640), (128, 1349120), (136, 1269760), (155, 1114112), (160, 1079296), (170, 1015808), (248, 696320), (256, 674560), (272, 634880), (310, 557056), (320, 539648), (340, 507904), (496, 348160), (512, 337280), (527, 327680), (544, 317440), (620, 278528), (640, 269824), (680, 253952), (992, 174080), (1024, 168640), (1054, 163840), (1088, 158720), (1240, 139264), (1280, 134912), (1360, 126976), (1984, 87040), (2048, 84320), (2108, 81920), (2176, 79360), (2480, 69632), (2560, 67456), (2635, 65536), (2720, 63488), (3968, 43520), (4096, 42160), (4216, 40960), (4352, 39680), (4960, 34816), (5120, 33728), (5270, 32768), (5440, 31744), (7936, 21760), (8192, 21080), (8432, 20480), (8704, 19840), (9920, 17408), (10240, 16864), (10540, 16384), (10880, 15872)]