128090580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{83}}^1\times {\mathrm{89}}^1$

素因数の和:218

約数の個数: 144

約数和(自身を含む): 389914560

約数和(自身を除く): 261823980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 83, 85, 89, 102, 166, 170, 178, 204, 249, 255, 267, 289, 332, 340, 356, 415, 445, 498, 510, 534, 578, 830, 867, 890, 996, 1020, 1068, 1156, 1245, 1335, 1411, 1445, 1513, 1660, 1734, 1780, 2490, 2670, 2822, 2890, 3026, 3468, 4233, 4335, 4539, 4980, 5340, 5644, 5780, 6052, 7055, 7387, 7565, 8466, 8670, 9078, 14110, 14774, 15130, 16932, 17340, 18156, 21165, 22161, 22695, 23987, 25721, 28220, 29548, 30260, 36935, 42330, 44322, 45390, 47974, 51442, 71961, 73870, 77163, 84660, 88644, 90780, 95948, 102884, 110805, 119935, 125579, 128605, 143922, 147740, 154326, 221610, 239870, 251158, 257210, 287844, 308652, 359805, 376737, 385815, 443220, 479740, 502316, 514420, 627895, 719610, 753474, 771630, 1255790, 1439220, 1506948, 1543260, 1883685, 2134843, 2511580, 3767370, 4269686, 6404529, 7534740, 8539372, 10674215, 12809058, 21348430, 25618116, 32022645, 42696860, 64045290, 128090580]

約数ペア:

[(1, 128090580), (2, 64045290), (3, 42696860), (4, 32022645), (5, 25618116), (6, 21348430), (10, 12809058), (12, 10674215), (15, 8539372), (17, 7534740), (20, 6404529), (30, 4269686), (34, 3767370), (51, 2511580), (60, 2134843), (68, 1883685), (83, 1543260), (85, 1506948), (89, 1439220), (102, 1255790), (166, 771630), (170, 753474), (178, 719610), (204, 627895), (249, 514420), (255, 502316), (267, 479740), (289, 443220), (332, 385815), (340, 376737), (356, 359805), (415, 308652), (445, 287844), (498, 257210), (510, 251158), (534, 239870), (578, 221610), (830, 154326), (867, 147740), (890, 143922), (996, 128605), (1020, 125579), (1068, 119935), (1156, 110805), (1245, 102884), (1335, 95948), (1411, 90780), (1445, 88644), (1513, 84660), (1660, 77163), (1734, 73870), (1780, 71961), (2490, 51442), (2670, 47974), (2822, 45390), (2890, 44322), (3026, 42330), (3468, 36935), (4233, 30260), (4335, 29548), (4539, 28220), (4980, 25721), (5340, 23987), (5644, 22695), (5780, 22161), (6052, 21165), (7055, 18156), (7387, 17340), (7565, 16932), (8466, 15130), (8670, 14774), (9078, 14110)]