252315520

素因数分解:

$2^7\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{281}}^1$

素因数の和:384

約数の個数: 128

約数和(自身を含む): 642012480

約数和(自身を除く): 389696960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 61, 64, 80, 92, 115, 122, 128, 160, 184, 230, 244, 281, 305, 320, 368, 460, 488, 562, 610, 640, 736, 920, 976, 1124, 1220, 1403, 1405, 1472, 1840, 1952, 2248, 2440, 2806, 2810, 2944, 3680, 3904, 4496, 4880, 5612, 5620, 6463, 7015, 7360, 7808, 8992, 9760, 11224, 11240, 12926, 14030, 14720, 17141, 17984, 19520, 22448, 22480, 25852, 28060, 32315, 34282, 35968, 39040, 44896, 44960, 51704, 56120, 64630, 68564, 85705, 89792, 89920, 103408, 112240, 129260, 137128, 171410, 179584, 179840, 206816, 224480, 258520, 274256, 342820, 394243, 413632, 448960, 517040, 548512, 685640, 788486, 827264, 897920, 1034080, 1097024, 1371280, 1576972, 1971215, 2068160, 2194048, 2742560, 3153944, 3942430, 4136320, 5485120, 6307888, 7884860, 10970240, 12615776, 15769720, 25231552, 31539440, 50463104, 63078880, 126157760, 252315520]

約数ペア:

[(1, 252315520), (2, 126157760), (4, 63078880), (5, 50463104), (8, 31539440), (10, 25231552), (16, 15769720), (20, 12615776), (23, 10970240), (32, 7884860), (40, 6307888), (46, 5485120), (61, 4136320), (64, 3942430), (80, 3153944), (92, 2742560), (115, 2194048), (122, 2068160), (128, 1971215), (160, 1576972), (184, 1371280), (230, 1097024), (244, 1034080), (281, 897920), (305, 827264), (320, 788486), (368, 685640), (460, 548512), (488, 517040), (562, 448960), (610, 413632), (640, 394243), (736, 342820), (920, 274256), (976, 258520), (1124, 224480), (1220, 206816), (1403, 179840), (1405, 179584), (1472, 171410), (1840, 137128), (1952, 129260), (2248, 112240), (2440, 103408), (2806, 89920), (2810, 89792), (2944, 85705), (3680, 68564), (3904, 64630), (4496, 56120), (4880, 51704), (5612, 44960), (5620, 44896), (6463, 39040), (7015, 35968), (7360, 34282), (7808, 32315), (8992, 28060), (9760, 25852), (11224, 22480), (11240, 22448), (12926, 19520), (14030, 17984), (14720, 17141)]