128729520

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{977}}^1$

素因数の和:1060

約数の個数: 160

約数和(自身を含む): 451131840

約数和(自身を除く): 322402320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 61, 72, 80, 90, 108, 120, 122, 135, 144, 180, 183, 216, 240, 244, 270, 305, 360, 366, 432, 488, 540, 549, 610, 720, 732, 915, 976, 977, 1080, 1098, 1220, 1464, 1647, 1830, 1954, 2160, 2196, 2440, 2745, 2928, 2931, 3294, 3660, 3908, 4392, 4880, 4885, 5490, 5862, 6588, 7320, 7816, 8235, 8784, 8793, 9770, 10980, 11724, 13176, 14640, 14655, 15632, 16470, 17586, 19540, 21960, 23448, 26352, 26379, 29310, 32940, 35172, 39080, 43920, 43965, 46896, 52758, 58620, 59597, 65880, 70344, 78160, 87930, 105516, 117240, 119194, 131760, 131895, 140688, 175860, 178791, 211032, 234480, 238388, 263790, 297985, 351720, 357582, 422064, 476776, 527580, 536373, 595970, 703440, 715164, 893955, 953552, 1055160, 1072746, 1191940, 1430328, 1609119, 1787910, 2110320, 2145492, 2383880, 2681865, 2860656, 3218238, 3575820, 4290984, 4767760, 5363730, 6436476, 7151640, 8045595, 8581968, 10727460, 12872952, 14303280, 16091190, 21454920, 25745904, 32182380, 42909840, 64364760, 128729520]

約数ペア:

[(1, 128729520), (2, 64364760), (3, 42909840), (4, 32182380), (5, 25745904), (6, 21454920), (8, 16091190), (9, 14303280), (10, 12872952), (12, 10727460), (15, 8581968), (16, 8045595), (18, 7151640), (20, 6436476), (24, 5363730), (27, 4767760), (30, 4290984), (36, 3575820), (40, 3218238), (45, 2860656), (48, 2681865), (54, 2383880), (60, 2145492), (61, 2110320), (72, 1787910), (80, 1609119), (90, 1430328), (108, 1191940), (120, 1072746), (122, 1055160), (135, 953552), (144, 893955), (180, 715164), (183, 703440), (216, 595970), (240, 536373), (244, 527580), (270, 476776), (305, 422064), (360, 357582), (366, 351720), (432, 297985), (488, 263790), (540, 238388), (549, 234480), (610, 211032), (720, 178791), (732, 175860), (915, 140688), (976, 131895), (977, 131760), (1080, 119194), (1098, 117240), (1220, 105516), (1464, 87930), (1647, 78160), (1830, 70344), (1954, 65880), (2160, 59597), (2196, 58620), (2440, 52758), (2745, 46896), (2928, 43965), (2931, 43920), (3294, 39080), (3660, 35172), (3908, 32940), (4392, 29310), (4880, 26379), (4885, 26352), (5490, 23448), (5862, 21960), (6588, 19540), (7320, 17586), (7816, 16470), (8235, 15632), (8784, 14655), (8793, 14640), (9770, 13176), (10980, 11724)]