161558280

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{311}}^1$

素因数の和:381

約数の個数: 256

約数和(自身を含む): 597542400

約数和(自身を除く): 435984120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 27, 30, 36, 37, 39, 40, 45, 52, 54, 60, 65, 72, 74, 78, 90, 104, 108, 111, 117, 120, 130, 135, 148, 156, 180, 185, 195, 216, 222, 234, 260, 270, 296, 311, 312, 333, 351, 360, 370, 390, 444, 468, 481, 520, 540, 555, 585, 622, 666, 702, 740, 780, 888, 933, 936, 962, 999, 1080, 1110, 1170, 1244, 1332, 1404, 1443, 1480, 1555, 1560, 1665, 1755, 1866, 1924, 1998, 2220, 2340, 2405, 2488, 2664, 2799, 2808, 2886, 3110, 3330, 3510, 3732, 3848, 3996, 4043, 4329, 4440, 4665, 4680, 4810, 4995, 5598, 5772, 6220, 6660, 7020, 7215, 7464, 7992, 8086, 8397, 8658, 9330, 9620, 9990, 11196, 11507, 11544, 12129, 12440, 12987, 13320, 13995, 14040, 14430, 16172, 16794, 17316, 18660, 19240, 19980, 20215, 21645, 22392, 23014, 24258, 25974, 27990, 28860, 32344, 33588, 34521, 34632, 36387, 37320, 39960, 40430, 41985, 43290, 46028, 48516, 51948, 55980, 57535, 57720, 60645, 64935, 67176, 69042, 72774, 80860, 83970, 86580, 92056, 97032, 103563, 103896, 109161, 111960, 115070, 121290, 129870, 138084, 145548, 149591, 161720, 167940, 172605, 173160, 181935, 207126, 218322, 230140, 242580, 259740, 276168, 291096, 299182, 310689, 335880, 345210, 363870, 414252, 436644, 448773, 460280, 485160, 517815, 519480, 545805, 598364, 621378, 690420, 727740, 747955, 828504, 873288, 897546, 1035630, 1091610, 1196728, 1242756, 1346319, 1380840, 1455480, 1495910, 1553445, 1795092, 2071260, 2183220, 2243865, 2485512, 2692638, 2991820, 3106890, 3590184, 4038957, 4142520, 4366440, 4487730, 5385276, 5983640, 6213780, 6731595, 8077914, 8975460, 10770552, 12427560, 13463190, 16155828, 17950920, 20194785, 26926380, 32311656, 40389570, 53852760, 80779140, 161558280]

約数ペア:

[(1, 161558280), (2, 80779140), (3, 53852760), (4, 40389570), (5, 32311656), (6, 26926380), (8, 20194785), (9, 17950920), (10, 16155828), (12, 13463190), (13, 12427560), (15, 10770552), (18, 8975460), (20, 8077914), (24, 6731595), (26, 6213780), (27, 5983640), (30, 5385276), (36, 4487730), (37, 4366440), (39, 4142520), (40, 4038957), (45, 3590184), (52, 3106890), (54, 2991820), (60, 2692638), (65, 2485512), (72, 2243865), (74, 2183220), (78, 2071260), (90, 1795092), (104, 1553445), (108, 1495910), (111, 1455480), (117, 1380840), (120, 1346319), (130, 1242756), (135, 1196728), (148, 1091610), (156, 1035630), (180, 897546), (185, 873288), (195, 828504), (216, 747955), (222, 727740), (234, 690420), (260, 621378), (270, 598364), (296, 545805), (311, 519480), (312, 517815), (333, 485160), (351, 460280), (360, 448773), (370, 436644), (390, 414252), (444, 363870), (468, 345210), (481, 335880), (520, 310689), (540, 299182), (555, 291096), (585, 276168), (622, 259740), (666, 242580), (702, 230140), (740, 218322), (780, 207126), (888, 181935), (933, 173160), (936, 172605), (962, 167940), (999, 161720), (1080, 149591), (1110, 145548), (1170, 138084), (1244, 129870), (1332, 121290), (1404, 115070), (1443, 111960), (1480, 109161), (1555, 103896), (1560, 103563), (1665, 97032), (1755, 92056), (1866, 86580), (1924, 83970), (1998, 80860), (2220, 72774), (2340, 69042), (2405, 67176), (2488, 64935), (2664, 60645), (2799, 57720), (2808, 57535), (2886, 55980), (3110, 51948), (3330, 48516), (3510, 46028), (3732, 43290), (3848, 41985), (3996, 40430), (4043, 39960), (4329, 37320), (4440, 36387), (4665, 34632), (4680, 34521), (4810, 33588), (4995, 32344), (5598, 28860), (5772, 27990), (6220, 25974), (6660, 24258), (7020, 23014), (7215, 22392), (7464, 21645), (7992, 20215), (8086, 19980), (8397, 19240), (8658, 18660), (9330, 17316), (9620, 16794), (9990, 16172), (11196, 14430), (11507, 14040), (11544, 13995), (12129, 13320), (12440, 12987)]