328794880

素因数分解:

$2^8\times 5^1\times {\mathrm{61}}^1\times {\mathrm{4211}}^1$

素因数の和:4293

約数の個数: 72

約数和(自身を含む): 800667504

約数和(自身を除く): 471872624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 128, 160, 244, 256, 305, 320, 488, 610, 640, 976, 1220, 1280, 1952, 2440, 3904, 4211, 4880, 7808, 8422, 9760, 15616, 16844, 19520, 21055, 33688, 39040, 42110, 67376, 78080, 84220, 134752, 168440, 256871, 269504, 336880, 513742, 539008, 673760, 1027484, 1078016, 1284355, 1347520, 2054968, 2568710, 2695040, 4109936, 5137420, 5390080, 8219872, 10274840, 16439744, 20549680, 32879488, 41099360, 65758976, 82198720, 164397440, 328794880]

約数ペア:

[(1, 328794880), (2, 164397440), (4, 82198720), (5, 65758976), (8, 41099360), (10, 32879488), (16, 20549680), (20, 16439744), (32, 10274840), (40, 8219872), (61, 5390080), (64, 5137420), (80, 4109936), (122, 2695040), (128, 2568710), (160, 2054968), (244, 1347520), (256, 1284355), (305, 1078016), (320, 1027484), (488, 673760), (610, 539008), (640, 513742), (976, 336880), (1220, 269504), (1280, 256871), (1952, 168440), (2440, 134752), (3904, 84220), (4211, 78080), (4880, 67376), (7808, 42110), (8422, 39040), (9760, 33688), (15616, 21055), (16844, 19520)]