89585920

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{179}}^1$

素因数の和:240

約数の個数: 144

約数和(自身を含む): 238412160

約数和(自身を除く): 148826240

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 23, 32, 34, 40, 46, 64, 68, 80, 85, 92, 115, 128, 136, 160, 170, 179, 184, 230, 256, 272, 320, 340, 358, 368, 391, 460, 544, 640, 680, 716, 736, 782, 895, 920, 1088, 1280, 1360, 1432, 1472, 1564, 1790, 1840, 1955, 2176, 2720, 2864, 2944, 3043, 3128, 3580, 3680, 3910, 4117, 4352, 5440, 5728, 5888, 6086, 6256, 7160, 7360, 7820, 8234, 10880, 11456, 12172, 12512, 14320, 14720, 15215, 15640, 16468, 20585, 21760, 22912, 24344, 25024, 28640, 29440, 30430, 31280, 32936, 41170, 45824, 48688, 50048, 57280, 60860, 62560, 65872, 69989, 82340, 97376, 100096, 114560, 121720, 125120, 131744, 139978, 164680, 194752, 229120, 243440, 250240, 263488, 279956, 329360, 349945, 389504, 486880, 500480, 526976, 559912, 658720, 699890, 779008, 973760, 1053952, 1119824, 1317440, 1399780, 1947520, 2239648, 2634880, 2799560, 3895040, 4479296, 5269760, 5599120, 8958592, 11198240, 17917184, 22396480, 44792960, 89585920]

約数ペア:

[(1, 89585920), (2, 44792960), (4, 22396480), (5, 17917184), (8, 11198240), (10, 8958592), (16, 5599120), (17, 5269760), (20, 4479296), (23, 3895040), (32, 2799560), (34, 2634880), (40, 2239648), (46, 1947520), (64, 1399780), (68, 1317440), (80, 1119824), (85, 1053952), (92, 973760), (115, 779008), (128, 699890), (136, 658720), (160, 559912), (170, 526976), (179, 500480), (184, 486880), (230, 389504), (256, 349945), (272, 329360), (320, 279956), (340, 263488), (358, 250240), (368, 243440), (391, 229120), (460, 194752), (544, 164680), (640, 139978), (680, 131744), (716, 125120), (736, 121720), (782, 114560), (895, 100096), (920, 97376), (1088, 82340), (1280, 69989), (1360, 65872), (1432, 62560), (1472, 60860), (1564, 57280), (1790, 50048), (1840, 48688), (1955, 45824), (2176, 41170), (2720, 32936), (2864, 31280), (2944, 30430), (3043, 29440), (3128, 28640), (3580, 25024), (3680, 24344), (3910, 22912), (4117, 21760), (4352, 20585), (5440, 16468), (5728, 15640), (5888, 15215), (6086, 14720), (6256, 14320), (7160, 12512), (7360, 12172), (7820, 11456), (8234, 10880)]