278959080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^2\times {\mathrm{41}}^1\times {\mathrm{59}}^1$

素因数の和:176

約数の個数: 192

約数和(自身を含む): 900849600

約数和(自身を除く): 621890520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 41, 59, 60, 62, 82, 93, 118, 120, 123, 124, 155, 164, 177, 186, 205, 236, 246, 248, 295, 310, 328, 354, 372, 410, 465, 472, 492, 590, 615, 620, 708, 744, 820, 885, 930, 961, 984, 1180, 1230, 1240, 1271, 1416, 1640, 1770, 1829, 1860, 1922, 2360, 2419, 2460, 2542, 2883, 3540, 3658, 3720, 3813, 3844, 4805, 4838, 4920, 5084, 5487, 5766, 6355, 7080, 7257, 7316, 7626, 7688, 9145, 9610, 9676, 10168, 10974, 11532, 12095, 12710, 14415, 14514, 14632, 15252, 18290, 19065, 19220, 19352, 21948, 23064, 24190, 25420, 27435, 28830, 29028, 30504, 36285, 36580, 38130, 38440, 39401, 43896, 48380, 50840, 54870, 56699, 57660, 58056, 72570, 73160, 74989, 76260, 78802, 96760, 109740, 113398, 115320, 118203, 145140, 149978, 152520, 157604, 170097, 197005, 219480, 224967, 226796, 236406, 283495, 290280, 299956, 315208, 340194, 374945, 394010, 449934, 453592, 472812, 566990, 591015, 599912, 680388, 749890, 788020, 850485, 899868, 945624, 1124835, 1133980, 1182030, 1360776, 1499780, 1576040, 1700970, 1799736, 2249670, 2267960, 2324659, 2364060, 2999560, 3401940, 4499340, 4649318, 4728120, 6803880, 6973977, 8998680, 9298636, 11623295, 13947954, 18597272, 23246590, 27895908, 34869885, 46493180, 55791816, 69739770, 92986360, 139479540, 278959080]

約数ペア:

[(1, 278959080), (2, 139479540), (3, 92986360), (4, 69739770), (5, 55791816), (6, 46493180), (8, 34869885), (10, 27895908), (12, 23246590), (15, 18597272), (20, 13947954), (24, 11623295), (30, 9298636), (31, 8998680), (40, 6973977), (41, 6803880), (59, 4728120), (60, 4649318), (62, 4499340), (82, 3401940), (93, 2999560), (118, 2364060), (120, 2324659), (123, 2267960), (124, 2249670), (155, 1799736), (164, 1700970), (177, 1576040), (186, 1499780), (205, 1360776), (236, 1182030), (246, 1133980), (248, 1124835), (295, 945624), (310, 899868), (328, 850485), (354, 788020), (372, 749890), (410, 680388), (465, 599912), (472, 591015), (492, 566990), (590, 472812), (615, 453592), (620, 449934), (708, 394010), (744, 374945), (820, 340194), (885, 315208), (930, 299956), (961, 290280), (984, 283495), (1180, 236406), (1230, 226796), (1240, 224967), (1271, 219480), (1416, 197005), (1640, 170097), (1770, 157604), (1829, 152520), (1860, 149978), (1922, 145140), (2360, 118203), (2419, 115320), (2460, 113398), (2542, 109740), (2883, 96760), (3540, 78802), (3658, 76260), (3720, 74989), (3813, 73160), (3844, 72570), (4805, 58056), (4838, 57660), (4920, 56699), (5084, 54870), (5487, 50840), (5766, 48380), (6355, 43896), (7080, 39401), (7257, 38440), (7316, 38130), (7626, 36580), (7688, 36285), (9145, 30504), (9610, 29028), (9676, 28830), (10168, 27435), (10974, 25420), (11532, 24190), (12095, 23064), (12710, 21948), (14415, 19352), (14514, 19220), (14632, 19065), (15252, 18290)]