30721856220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{500519}}^1$

素因数の和:500576

約数の個数: 144

約数和(自身を含む): 104941025280

約数和(自身を除く): 74219169060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 31, 33, 36, 44, 45, 55, 60, 62, 66, 90, 93, 99, 110, 124, 132, 155, 165, 180, 186, 198, 220, 279, 310, 330, 341, 372, 396, 465, 495, 558, 620, 660, 682, 930, 990, 1023, 1116, 1364, 1395, 1705, 1860, 1980, 2046, 2790, 3069, 3410, 4092, 5115, 5580, 6138, 6820, 10230, 12276, 15345, 20460, 30690, 61380, 500519, 1001038, 1501557, 2002076, 2502595, 3003114, 4504671, 5005190, 5505709, 6006228, 7507785, 9009342, 10010380, 11011418, 15015570, 15516089, 16517127, 18018684, 22022836, 22523355, 27528545, 30031140, 31032178, 33034254, 45046710, 46548267, 49551381, 55057090, 62064356, 66068508, 77580445, 82585635, 90093420, 93096534, 99102762, 110114180, 139644801, 155160890, 165171270, 170676979, 186193068, 198205524, 232741335, 247756905, 279289602, 310321780, 330342540, 341353958, 465482670, 495513810, 512030937, 558579204, 682707916, 698224005, 853384895, 930965340, 991027620, 1024061874, 1396448010, 1536092811, 1706769790, 2048123748, 2560154685, 2792896020, 3072185622, 3413539580, 5120309370, 6144371244, 7680464055, 10240618740, 15360928110, 30721856220]

約数ペア:

[(1, 30721856220), (2, 15360928110), (3, 10240618740), (4, 7680464055), (5, 6144371244), (6, 5120309370), (9, 3413539580), (10, 3072185622), (11, 2792896020), (12, 2560154685), (15, 2048123748), (18, 1706769790), (20, 1536092811), (22, 1396448010), (30, 1024061874), (31, 991027620), (33, 930965340), (36, 853384895), (44, 698224005), (45, 682707916), (55, 558579204), (60, 512030937), (62, 495513810), (66, 465482670), (90, 341353958), (93, 330342540), (99, 310321780), (110, 279289602), (124, 247756905), (132, 232741335), (155, 198205524), (165, 186193068), (180, 170676979), (186, 165171270), (198, 155160890), (220, 139644801), (279, 110114180), (310, 99102762), (330, 93096534), (341, 90093420), (372, 82585635), (396, 77580445), (465, 66068508), (495, 62064356), (558, 55057090), (620, 49551381), (660, 46548267), (682, 45046710), (930, 33034254), (990, 31032178), (1023, 30031140), (1116, 27528545), (1364, 22523355), (1395, 22022836), (1705, 18018684), (1860, 16517127), (1980, 15516089), (2046, 15015570), (2790, 11011418), (3069, 10010380), (3410, 9009342), (4092, 7507785), (5115, 6006228), (5580, 5505709), (6138, 5005190), (6820, 4504671), (10230, 3003114), (12276, 2502595), (15345, 2002076), (20460, 1501557), (30690, 1001038), (61380, 500519)]