240232640

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{397}}^1$

素因数の和:506

約数の個数: 112

約数和(自身を含む): 601699584

約数和(自身を除く): 361466944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 61, 62, 64, 80, 122, 124, 155, 160, 244, 248, 305, 310, 320, 397, 488, 496, 610, 620, 794, 976, 992, 1220, 1240, 1588, 1891, 1952, 1984, 1985, 2440, 2480, 3176, 3782, 3904, 3970, 4880, 4960, 6352, 7564, 7940, 9455, 9760, 9920, 12307, 12704, 15128, 15880, 18910, 19520, 24217, 24614, 25408, 30256, 31760, 37820, 48434, 49228, 60512, 61535, 63520, 75640, 96868, 98456, 121024, 121085, 123070, 127040, 151280, 193736, 196912, 242170, 246140, 302560, 387472, 393824, 484340, 492280, 605120, 750727, 774944, 787648, 968680, 984560, 1501454, 1549888, 1937360, 1969120, 3002908, 3753635, 3874720, 3938240, 6005816, 7507270, 7749440, 12011632, 15014540, 24023264, 30029080, 48046528, 60058160, 120116320, 240232640]

約数ペア:

[(1, 240232640), (2, 120116320), (4, 60058160), (5, 48046528), (8, 30029080), (10, 24023264), (16, 15014540), (20, 12011632), (31, 7749440), (32, 7507270), (40, 6005816), (61, 3938240), (62, 3874720), (64, 3753635), (80, 3002908), (122, 1969120), (124, 1937360), (155, 1549888), (160, 1501454), (244, 984560), (248, 968680), (305, 787648), (310, 774944), (320, 750727), (397, 605120), (488, 492280), (496, 484340), (610, 393824), (620, 387472), (794, 302560), (976, 246140), (992, 242170), (1220, 196912), (1240, 193736), (1588, 151280), (1891, 127040), (1952, 123070), (1984, 121085), (1985, 121024), (2440, 98456), (2480, 96868), (3176, 75640), (3782, 63520), (3904, 61535), (3970, 60512), (4880, 49228), (4960, 48434), (6352, 37820), (7564, 31760), (7940, 30256), (9455, 25408), (9760, 24614), (9920, 24217), (12307, 19520), (12704, 18910), (15128, 15880)]