28061220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:142

約数の個数: 192

約数和(自身を含む): 94493952

約数和(自身を除く): 66432732

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 17, 20, 22, 30, 33, 34, 41, 44, 51, 55, 60, 61, 66, 68, 82, 85, 102, 110, 122, 123, 132, 164, 165, 170, 183, 187, 204, 205, 220, 244, 246, 255, 305, 330, 340, 366, 374, 410, 451, 492, 510, 561, 610, 615, 660, 671, 697, 732, 748, 820, 902, 915, 935, 1020, 1037, 1122, 1220, 1230, 1342, 1353, 1394, 1804, 1830, 1870, 2013, 2074, 2091, 2244, 2255, 2460, 2501, 2684, 2706, 2788, 2805, 3111, 3355, 3485, 3660, 3740, 4026, 4148, 4182, 4510, 5002, 5185, 5412, 5610, 6222, 6710, 6765, 6970, 7503, 7667, 8052, 8364, 9020, 10004, 10065, 10370, 10455, 11220, 11407, 12444, 12505, 13420, 13530, 13940, 15006, 15334, 15555, 20130, 20740, 20910, 22814, 23001, 25010, 27060, 27511, 30012, 30668, 31110, 34221, 37515, 38335, 40260, 41820, 42517, 45628, 46002, 50020, 55022, 57035, 62220, 68442, 75030, 76670, 82533, 85034, 92004, 110044, 114070, 115005, 127551, 136884, 137555, 150060, 153340, 165066, 170068, 171105, 212585, 228140, 230010, 255102, 275110, 330132, 342210, 412665, 425170, 460020, 467687, 510204, 550220, 637755, 684420, 825330, 850340, 935374, 1275510, 1403061, 1650660, 1870748, 2338435, 2551020, 2806122, 4676870, 5612244, 7015305, 9353740, 14030610, 28061220]

約数ペア:

[(1, 28061220), (2, 14030610), (3, 9353740), (4, 7015305), (5, 5612244), (6, 4676870), (10, 2806122), (11, 2551020), (12, 2338435), (15, 1870748), (17, 1650660), (20, 1403061), (22, 1275510), (30, 935374), (33, 850340), (34, 825330), (41, 684420), (44, 637755), (51, 550220), (55, 510204), (60, 467687), (61, 460020), (66, 425170), (68, 412665), (82, 342210), (85, 330132), (102, 275110), (110, 255102), (122, 230010), (123, 228140), (132, 212585), (164, 171105), (165, 170068), (170, 165066), (183, 153340), (187, 150060), (204, 137555), (205, 136884), (220, 127551), (244, 115005), (246, 114070), (255, 110044), (305, 92004), (330, 85034), (340, 82533), (366, 76670), (374, 75030), (410, 68442), (451, 62220), (492, 57035), (510, 55022), (561, 50020), (610, 46002), (615, 45628), (660, 42517), (671, 41820), (697, 40260), (732, 38335), (748, 37515), (820, 34221), (902, 31110), (915, 30668), (935, 30012), (1020, 27511), (1037, 27060), (1122, 25010), (1220, 23001), (1230, 22814), (1342, 20910), (1353, 20740), (1394, 20130), (1804, 15555), (1830, 15334), (1870, 15006), (2013, 13940), (2074, 13530), (2091, 13420), (2244, 12505), (2255, 12444), (2460, 11407), (2501, 11220), (2684, 10455), (2706, 10370), (2788, 10065), (2805, 10004), (3111, 9020), (3355, 8364), (3485, 8052), (3660, 7667), (3740, 7503), (4026, 6970), (4148, 6765), (4182, 6710), (4510, 6222), (5002, 5610), (5185, 5412)]