320079040

素因数分解:

$2^6\times 5^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{277}}^1$

素因数の和:474

約数の個数: 112

約数和(自身を含む): 803282112

約数和(自身を除く): 483203072

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 157, 160, 184, 230, 277, 314, 320, 368, 460, 554, 628, 736, 785, 920, 1108, 1256, 1385, 1472, 1570, 1840, 2216, 2512, 2770, 3140, 3611, 3680, 4432, 5024, 5540, 6280, 6371, 7222, 7360, 8864, 10048, 11080, 12560, 12742, 14444, 17728, 18055, 22160, 25120, 25484, 28888, 31855, 36110, 43489, 44320, 50240, 50968, 57776, 63710, 72220, 86978, 88640, 101936, 115552, 127420, 144440, 173956, 203872, 217445, 231104, 254840, 288880, 347912, 407744, 434890, 509680, 577760, 695824, 869780, 1000247, 1019360, 1155520, 1391648, 1739560, 2000494, 2038720, 2783296, 3479120, 4000988, 5001235, 6958240, 8001976, 10002470, 13916480, 16003952, 20004940, 32007904, 40009880, 64015808, 80019760, 160039520, 320079040]

約数ペア:

[(1, 320079040), (2, 160039520), (4, 80019760), (5, 64015808), (8, 40009880), (10, 32007904), (16, 20004940), (20, 16003952), (23, 13916480), (32, 10002470), (40, 8001976), (46, 6958240), (64, 5001235), (80, 4000988), (92, 3479120), (115, 2783296), (157, 2038720), (160, 2000494), (184, 1739560), (230, 1391648), (277, 1155520), (314, 1019360), (320, 1000247), (368, 869780), (460, 695824), (554, 577760), (628, 509680), (736, 434890), (785, 407744), (920, 347912), (1108, 288880), (1256, 254840), (1385, 231104), (1472, 217445), (1570, 203872), (1840, 173956), (2216, 144440), (2512, 127420), (2770, 115552), (3140, 101936), (3611, 88640), (3680, 86978), (4432, 72220), (5024, 63710), (5540, 57776), (6280, 50968), (6371, 50240), (7222, 44320), (7360, 43489), (8864, 36110), (10048, 31855), (11080, 28888), (12560, 25484), (12742, 25120), (14444, 22160), (17728, 18055)]