128518020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{839}}^1$

素因数の和:914

約数の個数: 144

約数和(自身を含む): 418279680

約数和(自身を除く): 289761660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 37, 45, 46, 60, 69, 74, 90, 92, 111, 115, 138, 148, 180, 185, 207, 222, 230, 276, 333, 345, 370, 414, 444, 460, 555, 666, 690, 740, 828, 839, 851, 1035, 1110, 1332, 1380, 1665, 1678, 1702, 2070, 2220, 2517, 2553, 3330, 3356, 3404, 4140, 4195, 4255, 5034, 5106, 6660, 7551, 7659, 8390, 8510, 10068, 10212, 12585, 12765, 15102, 15318, 16780, 17020, 19297, 25170, 25530, 30204, 30636, 31043, 37755, 38295, 38594, 50340, 51060, 57891, 62086, 75510, 76590, 77188, 93129, 96485, 115782, 124172, 151020, 153180, 155215, 173673, 186258, 192970, 231564, 279387, 289455, 310430, 347346, 372516, 385940, 465645, 558774, 578910, 620860, 694692, 713989, 868365, 931290, 1117548, 1157820, 1396935, 1427978, 1736730, 1862580, 2141967, 2793870, 2855956, 3473460, 3569945, 4283934, 5587740, 6425901, 7139890, 8567868, 10709835, 12851802, 14279780, 21419670, 25703604, 32129505, 42839340, 64259010, 128518020]

約数ペア:

[(1, 128518020), (2, 64259010), (3, 42839340), (4, 32129505), (5, 25703604), (6, 21419670), (9, 14279780), (10, 12851802), (12, 10709835), (15, 8567868), (18, 7139890), (20, 6425901), (23, 5587740), (30, 4283934), (36, 3569945), (37, 3473460), (45, 2855956), (46, 2793870), (60, 2141967), (69, 1862580), (74, 1736730), (90, 1427978), (92, 1396935), (111, 1157820), (115, 1117548), (138, 931290), (148, 868365), (180, 713989), (185, 694692), (207, 620860), (222, 578910), (230, 558774), (276, 465645), (333, 385940), (345, 372516), (370, 347346), (414, 310430), (444, 289455), (460, 279387), (555, 231564), (666, 192970), (690, 186258), (740, 173673), (828, 155215), (839, 153180), (851, 151020), (1035, 124172), (1110, 115782), (1332, 96485), (1380, 93129), (1665, 77188), (1678, 76590), (1702, 75510), (2070, 62086), (2220, 57891), (2517, 51060), (2553, 50340), (3330, 38594), (3356, 38295), (3404, 37755), (4140, 31043), (4195, 30636), (4255, 30204), (5034, 25530), (5106, 25170), (6660, 19297), (7551, 17020), (7659, 16780), (8390, 15318), (8510, 15102), (10068, 12765), (10212, 12585)]