21620832480

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{88843}}^1$

素因数の和:88890

約数の個数: 216

約数和(自身を含む): 79894033128

約数和(自身を除く): 58273200648

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 96, 104, 117, 120, 130, 144, 156, 160, 169, 180, 195, 208, 234, 240, 260, 288, 312, 338, 360, 390, 416, 468, 480, 507, 520, 585, 624, 676, 720, 780, 845, 936, 1014, 1040, 1170, 1248, 1352, 1440, 1521, 1560, 1690, 1872, 2028, 2080, 2340, 2535, 2704, 3042, 3120, 3380, 3744, 4056, 4680, 5070, 5408, 6084, 6240, 6760, 7605, 8112, 9360, 10140, 12168, 13520, 15210, 16224, 18720, 20280, 24336, 27040, 30420, 40560, 48672, 60840, 81120, 88843, 121680, 177686, 243360, 266529, 355372, 444215, 533058, 710744, 799587, 888430, 1066116, 1154959, 1332645, 1421488, 1599174, 1776860, 2132232, 2309918, 2665290, 2842976, 3198348, 3464877, 3553720, 3997935, 4264464, 4619836, 5330580, 5774795, 6396696, 6929754, 7107440, 7995870, 8528928, 9239672, 10394631, 10661160, 11549590, 12793392, 13859508, 14214880, 15014467, 15991740, 17324385, 18479344, 20789262, 21322320, 23099180, 25586784, 27719016, 30028934, 31983480, 34648770, 36958688, 41578524, 42644640, 45043401, 46198360, 51973155, 55438032, 60057868, 63966960, 69297540, 75072335, 83157048, 90086802, 92396720, 103946310, 110876064, 120115736, 127933920, 135130203, 138595080, 150144670, 166314096, 180173604, 184793440, 207892620, 225217005, 240231472, 270260406, 277190160, 300289340, 332628192, 360347208, 415785240, 450434010, 480462944, 540520812, 554380320, 600578680, 675651015, 720694416, 831570480, 900868020, 1081041624, 1201157360, 1351302030, 1441388832, 1663140960, 1801736040, 2162083248, 2402314720, 2702604060, 3603472080, 4324166496, 5405208120, 7206944160, 10810416240, 21620832480]

約数ペア:

[(1, 21620832480), (2, 10810416240), (3, 7206944160), (4, 5405208120), (5, 4324166496), (6, 3603472080), (8, 2702604060), (9, 2402314720), (10, 2162083248), (12, 1801736040), (13, 1663140960), (15, 1441388832), (16, 1351302030), (18, 1201157360), (20, 1081041624), (24, 900868020), (26, 831570480), (30, 720694416), (32, 675651015), (36, 600578680), (39, 554380320), (40, 540520812), (45, 480462944), (48, 450434010), (52, 415785240), (60, 360347208), (65, 332628192), (72, 300289340), (78, 277190160), (80, 270260406), (90, 240231472), (96, 225217005), (104, 207892620), (117, 184793440), (120, 180173604), (130, 166314096), (144, 150144670), (156, 138595080), (160, 135130203), (169, 127933920), (180, 120115736), (195, 110876064), (208, 103946310), (234, 92396720), (240, 90086802), (260, 83157048), (288, 75072335), (312, 69297540), (338, 63966960), (360, 60057868), (390, 55438032), (416, 51973155), (468, 46198360), (480, 45043401), (507, 42644640), (520, 41578524), (585, 36958688), (624, 34648770), (676, 31983480), (720, 30028934), (780, 27719016), (845, 25586784), (936, 23099180), (1014, 21322320), (1040, 20789262), (1170, 18479344), (1248, 17324385), (1352, 15991740), (1440, 15014467), (1521, 14214880), (1560, 13859508), (1690, 12793392), (1872, 11549590), (2028, 10661160), (2080, 10394631), (2340, 9239672), (2535, 8528928), (2704, 7995870), (3042, 7107440), (3120, 6929754), (3380, 6396696), (3744, 5774795), (4056, 5330580), (4680, 4619836), (5070, 4264464), (5408, 3997935), (6084, 3553720), (6240, 3464877), (6760, 3198348), (7605, 2842976), (8112, 2665290), (9360, 2309918), (10140, 2132232), (12168, 1776860), (13520, 1599174), (15210, 1421488), (16224, 1332645), (18720, 1154959), (20280, 1066116), (24336, 888430), (27040, 799587), (30420, 710744), (40560, 533058), (48672, 444215), (60840, 355372), (81120, 266529), (88843, 243360), (121680, 177686)]