128915360

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:179

約数の個数: 192

約数和(自身を含む): 371589120

約数和(自身を除く): 242673760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 47, 56, 62, 70, 79, 80, 94, 112, 124, 140, 155, 158, 160, 188, 217, 224, 235, 248, 280, 310, 316, 329, 376, 395, 434, 470, 496, 553, 560, 620, 632, 658, 752, 790, 868, 940, 992, 1085, 1106, 1120, 1240, 1264, 1316, 1457, 1504, 1580, 1645, 1736, 1880, 2170, 2212, 2449, 2480, 2528, 2632, 2765, 2914, 3160, 3290, 3472, 3713, 3760, 4340, 4424, 4898, 4960, 5264, 5530, 5828, 6320, 6580, 6944, 7285, 7426, 7520, 8680, 8848, 9796, 10199, 10528, 11060, 11656, 12245, 12640, 13160, 14570, 14852, 17143, 17360, 17696, 18565, 19592, 20398, 22120, 23312, 24490, 25991, 26320, 29140, 29704, 34286, 34720, 37130, 39184, 40796, 44240, 46624, 48980, 50995, 51982, 52640, 58280, 59408, 68572, 74260, 78368, 81592, 85715, 88480, 97960, 101990, 103964, 115103, 116560, 118816, 129955, 137144, 148520, 163184, 171430, 195920, 203980, 207928, 230206, 233120, 259910, 274288, 297040, 326368, 342860, 391840, 407960, 415856, 460412, 519820, 548576, 575515, 594080, 685720, 805721, 815920, 831712, 920824, 1039640, 1151030, 1371440, 1611442, 1631840, 1841648, 2079280, 2302060, 2742880, 3222884, 3683296, 4028605, 4158560, 4604120, 6445768, 8057210, 9208240, 12891536, 16114420, 18416480, 25783072, 32228840, 64457680, 128915360]

約数ペア:

[(1, 128915360), (2, 64457680), (4, 32228840), (5, 25783072), (7, 18416480), (8, 16114420), (10, 12891536), (14, 9208240), (16, 8057210), (20, 6445768), (28, 4604120), (31, 4158560), (32, 4028605), (35, 3683296), (40, 3222884), (47, 2742880), (56, 2302060), (62, 2079280), (70, 1841648), (79, 1631840), (80, 1611442), (94, 1371440), (112, 1151030), (124, 1039640), (140, 920824), (155, 831712), (158, 815920), (160, 805721), (188, 685720), (217, 594080), (224, 575515), (235, 548576), (248, 519820), (280, 460412), (310, 415856), (316, 407960), (329, 391840), (376, 342860), (395, 326368), (434, 297040), (470, 274288), (496, 259910), (553, 233120), (560, 230206), (620, 207928), (632, 203980), (658, 195920), (752, 171430), (790, 163184), (868, 148520), (940, 137144), (992, 129955), (1085, 118816), (1106, 116560), (1120, 115103), (1240, 103964), (1264, 101990), (1316, 97960), (1457, 88480), (1504, 85715), (1580, 81592), (1645, 78368), (1736, 74260), (1880, 68572), (2170, 59408), (2212, 58280), (2449, 52640), (2480, 51982), (2528, 50995), (2632, 48980), (2765, 46624), (2914, 44240), (3160, 40796), (3290, 39184), (3472, 37130), (3713, 34720), (3760, 34286), (4340, 29704), (4424, 29140), (4898, 26320), (4960, 25991), (5264, 24490), (5530, 23312), (5828, 22120), (6320, 20398), (6580, 19592), (6944, 18565), (7285, 17696), (7426, 17360), (7520, 17143), (8680, 14852), (8848, 14570), (9796, 13160), (10199, 12640), (10528, 12245), (11060, 11656)]