9681920

素因数分解:

$2^{10}\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:117

約数の個数: 88

約数和(自身を含む): 24367488

約数和(自身を除く): 14685568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 61, 62, 64, 80, 122, 124, 128, 155, 160, 244, 248, 256, 305, 310, 320, 488, 496, 512, 610, 620, 640, 976, 992, 1024, 1220, 1240, 1280, 1891, 1952, 1984, 2440, 2480, 2560, 3782, 3904, 3968, 4880, 4960, 5120, 7564, 7808, 7936, 9455, 9760, 9920, 15128, 15616, 15872, 18910, 19520, 19840, 30256, 31232, 31744, 37820, 39040, 39680, 60512, 62464, 75640, 78080, 79360, 121024, 151280, 156160, 158720, 242048, 302560, 312320, 484096, 605120, 968192, 1210240, 1936384, 2420480, 4840960, 9681920]

約数ペア:

[(1, 9681920), (2, 4840960), (4, 2420480), (5, 1936384), (8, 1210240), (10, 968192), (16, 605120), (20, 484096), (31, 312320), (32, 302560), (40, 242048), (61, 158720), (62, 156160), (64, 151280), (80, 121024), (122, 79360), (124, 78080), (128, 75640), (155, 62464), (160, 60512), (244, 39680), (248, 39040), (256, 37820), (305, 31744), (310, 31232), (320, 30256), (488, 19840), (496, 19520), (512, 18910), (610, 15872), (620, 15616), (640, 15128), (976, 9920), (992, 9760), (1024, 9455), (1220, 7936), (1240, 7808), (1280, 7564), (1891, 5120), (1952, 4960), (1984, 4880), (2440, 3968), (2480, 3904), (2560, 3782)]