28339740

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{367}}^1$

素因数の和:409

約数の個数: 192

約数和(自身を含む): 103864320

約数和(自身を除く): 75524580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 13, 15, 18, 20, 22, 26, 27, 30, 33, 36, 39, 44, 45, 52, 54, 55, 60, 65, 66, 78, 90, 99, 108, 110, 117, 130, 132, 135, 143, 156, 165, 180, 195, 198, 220, 234, 260, 270, 286, 297, 330, 351, 367, 390, 396, 429, 468, 495, 540, 572, 585, 594, 660, 702, 715, 734, 780, 858, 990, 1101, 1170, 1188, 1287, 1404, 1430, 1468, 1485, 1716, 1755, 1835, 1980, 2145, 2202, 2340, 2574, 2860, 2970, 3303, 3510, 3670, 3861, 4037, 4290, 4404, 4771, 5148, 5505, 5940, 6435, 6606, 7020, 7340, 7722, 8074, 8580, 9542, 9909, 11010, 12111, 12870, 13212, 14313, 15444, 16148, 16515, 19084, 19305, 19818, 20185, 22020, 23855, 24222, 25740, 28626, 33030, 36333, 38610, 39636, 40370, 42939, 47710, 48444, 49545, 52481, 57252, 60555, 66060, 71565, 72666, 77220, 80740, 85878, 95420, 99090, 104962, 108999, 121110, 128817, 143130, 145332, 157443, 171756, 181665, 198180, 209924, 214695, 217998, 242220, 257634, 262405, 286260, 314886, 363330, 429390, 435996, 472329, 515268, 524810, 544995, 629772, 644085, 726660, 787215, 858780, 944658, 1049620, 1089990, 1288170, 1416987, 1574430, 1889316, 2179980, 2361645, 2576340, 2833974, 3148860, 4723290, 5667948, 7084935, 9446580, 14169870, 28339740]

約数ペア:

[(1, 28339740), (2, 14169870), (3, 9446580), (4, 7084935), (5, 5667948), (6, 4723290), (9, 3148860), (10, 2833974), (11, 2576340), (12, 2361645), (13, 2179980), (15, 1889316), (18, 1574430), (20, 1416987), (22, 1288170), (26, 1089990), (27, 1049620), (30, 944658), (33, 858780), (36, 787215), (39, 726660), (44, 644085), (45, 629772), (52, 544995), (54, 524810), (55, 515268), (60, 472329), (65, 435996), (66, 429390), (78, 363330), (90, 314886), (99, 286260), (108, 262405), (110, 257634), (117, 242220), (130, 217998), (132, 214695), (135, 209924), (143, 198180), (156, 181665), (165, 171756), (180, 157443), (195, 145332), (198, 143130), (220, 128817), (234, 121110), (260, 108999), (270, 104962), (286, 99090), (297, 95420), (330, 85878), (351, 80740), (367, 77220), (390, 72666), (396, 71565), (429, 66060), (468, 60555), (495, 57252), (540, 52481), (572, 49545), (585, 48444), (594, 47710), (660, 42939), (702, 40370), (715, 39636), (734, 38610), (780, 36333), (858, 33030), (990, 28626), (1101, 25740), (1170, 24222), (1188, 23855), (1287, 22020), (1404, 20185), (1430, 19818), (1468, 19305), (1485, 19084), (1716, 16515), (1755, 16148), (1835, 15444), (1980, 14313), (2145, 13212), (2202, 12870), (2340, 12111), (2574, 11010), (2860, 9909), (2970, 9542), (3303, 8580), (3510, 8074), (3670, 7722), (3861, 7340), (4037, 7020), (4290, 6606), (4404, 6435), (4771, 5940), (5148, 5505)]