128741580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{257}}^1$

素因数の和:317

約数の個数: 216

約数和(自身を含む): 449650656

約数和(自身を除く): 320909076

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 23, 30, 33, 36, 44, 45, 46, 55, 60, 66, 69, 90, 92, 99, 110, 115, 121, 132, 138, 165, 180, 198, 207, 220, 230, 242, 253, 257, 276, 330, 345, 363, 396, 414, 460, 484, 495, 506, 514, 605, 660, 690, 726, 759, 771, 828, 990, 1012, 1028, 1035, 1089, 1210, 1265, 1285, 1380, 1452, 1518, 1542, 1815, 1980, 2070, 2178, 2277, 2313, 2420, 2530, 2570, 2783, 2827, 3036, 3084, 3630, 3795, 3855, 4140, 4356, 4554, 4626, 5060, 5140, 5445, 5566, 5654, 5911, 7260, 7590, 7710, 8349, 8481, 9108, 9252, 10890, 11132, 11308, 11385, 11565, 11822, 13915, 14135, 15180, 15420, 16698, 16962, 17733, 21780, 22770, 23130, 23644, 25047, 25443, 27830, 28270, 29555, 31097, 33396, 33924, 35466, 41745, 42405, 45540, 46260, 50094, 50886, 53199, 55660, 56540, 59110, 62194, 65021, 70932, 83490, 84810, 88665, 93291, 100188, 101772, 106398, 118220, 124388, 125235, 127215, 130042, 155485, 166980, 169620, 177330, 186582, 195063, 212796, 250470, 254430, 260084, 265995, 279873, 310970, 325105, 354660, 373164, 390126, 466455, 500940, 508860, 531990, 559746, 585189, 621940, 650210, 715231, 780252, 932910, 975315, 1063980, 1119492, 1170378, 1300420, 1399365, 1430462, 1865820, 1950630, 2145693, 2340756, 2798730, 2860924, 2925945, 3576155, 3901260, 4291386, 5597460, 5851890, 6437079, 7152310, 8582772, 10728465, 11703780, 12874158, 14304620, 21456930, 25748316, 32185395, 42913860, 64370790, 128741580]

約数ペア:

[(1, 128741580), (2, 64370790), (3, 42913860), (4, 32185395), (5, 25748316), (6, 21456930), (9, 14304620), (10, 12874158), (11, 11703780), (12, 10728465), (15, 8582772), (18, 7152310), (20, 6437079), (22, 5851890), (23, 5597460), (30, 4291386), (33, 3901260), (36, 3576155), (44, 2925945), (45, 2860924), (46, 2798730), (55, 2340756), (60, 2145693), (66, 1950630), (69, 1865820), (90, 1430462), (92, 1399365), (99, 1300420), (110, 1170378), (115, 1119492), (121, 1063980), (132, 975315), (138, 932910), (165, 780252), (180, 715231), (198, 650210), (207, 621940), (220, 585189), (230, 559746), (242, 531990), (253, 508860), (257, 500940), (276, 466455), (330, 390126), (345, 373164), (363, 354660), (396, 325105), (414, 310970), (460, 279873), (484, 265995), (495, 260084), (506, 254430), (514, 250470), (605, 212796), (660, 195063), (690, 186582), (726, 177330), (759, 169620), (771, 166980), (828, 155485), (990, 130042), (1012, 127215), (1028, 125235), (1035, 124388), (1089, 118220), (1210, 106398), (1265, 101772), (1285, 100188), (1380, 93291), (1452, 88665), (1518, 84810), (1542, 83490), (1815, 70932), (1980, 65021), (2070, 62194), (2178, 59110), (2277, 56540), (2313, 55660), (2420, 53199), (2530, 50886), (2570, 50094), (2783, 46260), (2827, 45540), (3036, 42405), (3084, 41745), (3630, 35466), (3795, 33924), (3855, 33396), (4140, 31097), (4356, 29555), (4554, 28270), (4626, 27830), (5060, 25443), (5140, 25047), (5445, 23644), (5566, 23130), (5654, 22770), (5911, 21780), (7260, 17733), (7590, 16962), (7710, 16698), (8349, 15420), (8481, 15180), (9108, 14135), (9252, 13915), (10890, 11822), (11132, 11565), (11308, 11385)]