1221569280

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{5581}}^1$

素因数の和:5627

約数の個数: 216

約数和(自身を含む): 4449747120

約数和(自身を除く): 3228177840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 32, 36, 38, 40, 45, 48, 57, 60, 64, 72, 76, 80, 90, 95, 96, 114, 120, 128, 144, 152, 160, 171, 180, 190, 192, 228, 240, 256, 285, 288, 304, 320, 342, 360, 380, 384, 456, 480, 570, 576, 608, 640, 684, 720, 760, 768, 855, 912, 960, 1140, 1152, 1216, 1280, 1368, 1440, 1520, 1710, 1824, 1920, 2280, 2304, 2432, 2736, 2880, 3040, 3420, 3648, 3840, 4560, 4864, 5472, 5581, 5760, 6080, 6840, 7296, 9120, 10944, 11162, 11520, 12160, 13680, 14592, 16743, 18240, 21888, 22324, 24320, 27360, 27905, 33486, 36480, 43776, 44648, 50229, 54720, 55810, 66972, 72960, 83715, 89296, 100458, 106039, 109440, 111620, 133944, 167430, 178592, 200916, 212078, 218880, 223240, 251145, 267888, 318117, 334860, 357184, 401832, 424156, 446480, 502290, 530195, 535776, 636234, 669720, 714368, 803664, 848312, 892960, 954351, 1004580, 1060390, 1071552, 1272468, 1339440, 1428736, 1590585, 1607328, 1696624, 1785920, 1908702, 2009160, 2120780, 2143104, 2544936, 2678880, 3181170, 3214656, 3393248, 3571840, 3817404, 4018320, 4241560, 4286208, 4771755, 5089872, 5357760, 6362340, 6429312, 6786496, 7143680, 7634808, 8036640, 8483120, 9543510, 10179744, 10715520, 12724680, 12858624, 13572992, 15269616, 16073280, 16966240, 19087020, 20359488, 21431040, 25449360, 27145984, 30539232, 32146560, 33932480, 38174040, 40718976, 50898720, 61078464, 64293120, 67864960, 76348080, 81437952, 101797440, 122156928, 135729920, 152696160, 203594880, 244313856, 305392320, 407189760, 610784640, 1221569280]

約数ペア:

[(1, 1221569280), (2, 610784640), (3, 407189760), (4, 305392320), (5, 244313856), (6, 203594880), (8, 152696160), (9, 135729920), (10, 122156928), (12, 101797440), (15, 81437952), (16, 76348080), (18, 67864960), (19, 64293120), (20, 61078464), (24, 50898720), (30, 40718976), (32, 38174040), (36, 33932480), (38, 32146560), (40, 30539232), (45, 27145984), (48, 25449360), (57, 21431040), (60, 20359488), (64, 19087020), (72, 16966240), (76, 16073280), (80, 15269616), (90, 13572992), (95, 12858624), (96, 12724680), (114, 10715520), (120, 10179744), (128, 9543510), (144, 8483120), (152, 8036640), (160, 7634808), (171, 7143680), (180, 6786496), (190, 6429312), (192, 6362340), (228, 5357760), (240, 5089872), (256, 4771755), (285, 4286208), (288, 4241560), (304, 4018320), (320, 3817404), (342, 3571840), (360, 3393248), (380, 3214656), (384, 3181170), (456, 2678880), (480, 2544936), (570, 2143104), (576, 2120780), (608, 2009160), (640, 1908702), (684, 1785920), (720, 1696624), (760, 1607328), (768, 1590585), (855, 1428736), (912, 1339440), (960, 1272468), (1140, 1071552), (1152, 1060390), (1216, 1004580), (1280, 954351), (1368, 892960), (1440, 848312), (1520, 803664), (1710, 714368), (1824, 669720), (1920, 636234), (2280, 535776), (2304, 530195), (2432, 502290), (2736, 446480), (2880, 424156), (3040, 401832), (3420, 357184), (3648, 334860), (3840, 318117), (4560, 267888), (4864, 251145), (5472, 223240), (5581, 218880), (5760, 212078), (6080, 200916), (6840, 178592), (7296, 167430), (9120, 133944), (10944, 111620), (11162, 109440), (11520, 106039), (12160, 100458), (13680, 89296), (14592, 83715), (16743, 72960), (18240, 66972), (21888, 55810), (22324, 54720), (24320, 50229), (27360, 44648), (27905, 43776), (33486, 36480)]