128657880

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{743}}^1$

素因数の和:810

約数の個数: 192

約数和(自身を含む): 463095360

約数和(自身を除く): 334437480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 37, 39, 40, 45, 52, 60, 65, 72, 74, 78, 90, 104, 111, 117, 120, 130, 148, 156, 180, 185, 195, 222, 234, 260, 296, 312, 333, 360, 370, 390, 444, 468, 481, 520, 555, 585, 666, 740, 743, 780, 888, 936, 962, 1110, 1170, 1332, 1443, 1480, 1486, 1560, 1665, 1924, 2220, 2229, 2340, 2405, 2664, 2886, 2972, 3330, 3715, 3848, 4329, 4440, 4458, 4680, 4810, 5772, 5944, 6660, 6687, 7215, 7430, 8658, 8916, 9620, 9659, 11145, 11544, 13320, 13374, 14430, 14860, 17316, 17832, 19240, 19318, 21645, 22290, 26748, 27491, 28860, 28977, 29720, 33435, 34632, 38636, 43290, 44580, 48295, 53496, 54982, 57720, 57954, 66870, 77272, 82473, 86580, 86931, 89160, 96590, 109964, 115908, 133740, 137455, 144885, 164946, 173160, 173862, 193180, 219928, 231816, 247419, 267480, 274910, 289770, 329892, 347724, 357383, 386360, 412365, 434655, 494838, 549820, 579540, 659784, 695448, 714766, 824730, 869310, 989676, 1072149, 1099640, 1159080, 1237095, 1429532, 1649460, 1738620, 1786915, 1979352, 2144298, 2474190, 2859064, 3216447, 3298920, 3477240, 3573830, 4288596, 4948380, 5360745, 6432894, 7147660, 8577192, 9896760, 10721490, 12865788, 14295320, 16082235, 21442980, 25731576, 32164470, 42885960, 64328940, 128657880]

約数ペア:

[(1, 128657880), (2, 64328940), (3, 42885960), (4, 32164470), (5, 25731576), (6, 21442980), (8, 16082235), (9, 14295320), (10, 12865788), (12, 10721490), (13, 9896760), (15, 8577192), (18, 7147660), (20, 6432894), (24, 5360745), (26, 4948380), (30, 4288596), (36, 3573830), (37, 3477240), (39, 3298920), (40, 3216447), (45, 2859064), (52, 2474190), (60, 2144298), (65, 1979352), (72, 1786915), (74, 1738620), (78, 1649460), (90, 1429532), (104, 1237095), (111, 1159080), (117, 1099640), (120, 1072149), (130, 989676), (148, 869310), (156, 824730), (180, 714766), (185, 695448), (195, 659784), (222, 579540), (234, 549820), (260, 494838), (296, 434655), (312, 412365), (333, 386360), (360, 357383), (370, 347724), (390, 329892), (444, 289770), (468, 274910), (481, 267480), (520, 247419), (555, 231816), (585, 219928), (666, 193180), (740, 173862), (743, 173160), (780, 164946), (888, 144885), (936, 137455), (962, 133740), (1110, 115908), (1170, 109964), (1332, 96590), (1443, 89160), (1480, 86931), (1486, 86580), (1560, 82473), (1665, 77272), (1924, 66870), (2220, 57954), (2229, 57720), (2340, 54982), (2405, 53496), (2664, 48295), (2886, 44580), (2972, 43290), (3330, 38636), (3715, 34632), (3848, 33435), (4329, 29720), (4440, 28977), (4458, 28860), (4680, 27491), (4810, 26748), (5772, 22290), (5944, 21645), (6660, 19318), (6687, 19240), (7215, 17832), (7430, 17316), (8658, 14860), (8916, 14430), (9620, 13374), (9659, 13320), (11145, 11544)]