80388240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1$

素因数の和:130

約数の個数: 240

約数和(自身を含む): 283225920

約数和(自身を除く): 202837680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 19, 20, 24, 30, 34, 38, 40, 48, 51, 57, 60, 61, 68, 76, 80, 85, 95, 102, 114, 120, 122, 136, 152, 170, 183, 190, 204, 228, 240, 244, 255, 272, 285, 289, 304, 305, 323, 340, 366, 380, 408, 456, 488, 510, 570, 578, 610, 646, 680, 732, 760, 816, 867, 912, 915, 969, 976, 1020, 1037, 1140, 1156, 1159, 1220, 1292, 1360, 1445, 1464, 1520, 1615, 1734, 1830, 1938, 2040, 2074, 2280, 2312, 2318, 2440, 2584, 2890, 2928, 3111, 3230, 3468, 3477, 3660, 3876, 4080, 4148, 4335, 4560, 4624, 4636, 4845, 4880, 5168, 5185, 5491, 5780, 5795, 6222, 6460, 6936, 6954, 7320, 7752, 8296, 8670, 9272, 9690, 10370, 10982, 11560, 11590, 12444, 12920, 13872, 13908, 14640, 15504, 15555, 16473, 16592, 17340, 17385, 17629, 18544, 19380, 19703, 20740, 21964, 23120, 23180, 24888, 25840, 27455, 27816, 31110, 32946, 34680, 34770, 35258, 38760, 39406, 41480, 43928, 46360, 49776, 52887, 54910, 55632, 59109, 62220, 65892, 69360, 69540, 70516, 77520, 78812, 82365, 82960, 87856, 88145, 92720, 98515, 105774, 109820, 118218, 124440, 131784, 139080, 141032, 157624, 164730, 176290, 197030, 211548, 219640, 236436, 248880, 263568, 264435, 278160, 282064, 295545, 315248, 329460, 334951, 352580, 394060, 423096, 439280, 472872, 528870, 591090, 658920, 669902, 705160, 788120, 846192, 945744, 1004853, 1057740, 1182180, 1317840, 1339804, 1410320, 1576240, 1674755, 2009706, 2115480, 2364360, 2679608, 3349510, 4019412, 4230960, 4728720, 5024265, 5359216, 6699020, 8038824, 10048530, 13398040, 16077648, 20097060, 26796080, 40194120, 80388240]

約数ペア:

[(1, 80388240), (2, 40194120), (3, 26796080), (4, 20097060), (5, 16077648), (6, 13398040), (8, 10048530), (10, 8038824), (12, 6699020), (15, 5359216), (16, 5024265), (17, 4728720), (19, 4230960), (20, 4019412), (24, 3349510), (30, 2679608), (34, 2364360), (38, 2115480), (40, 2009706), (48, 1674755), (51, 1576240), (57, 1410320), (60, 1339804), (61, 1317840), (68, 1182180), (76, 1057740), (80, 1004853), (85, 945744), (95, 846192), (102, 788120), (114, 705160), (120, 669902), (122, 658920), (136, 591090), (152, 528870), (170, 472872), (183, 439280), (190, 423096), (204, 394060), (228, 352580), (240, 334951), (244, 329460), (255, 315248), (272, 295545), (285, 282064), (289, 278160), (304, 264435), (305, 263568), (323, 248880), (340, 236436), (366, 219640), (380, 211548), (408, 197030), (456, 176290), (488, 164730), (510, 157624), (570, 141032), (578, 139080), (610, 131784), (646, 124440), (680, 118218), (732, 109820), (760, 105774), (816, 98515), (867, 92720), (912, 88145), (915, 87856), (969, 82960), (976, 82365), (1020, 78812), (1037, 77520), (1140, 70516), (1156, 69540), (1159, 69360), (1220, 65892), (1292, 62220), (1360, 59109), (1445, 55632), (1464, 54910), (1520, 52887), (1615, 49776), (1734, 46360), (1830, 43928), (1938, 41480), (2040, 39406), (2074, 38760), (2280, 35258), (2312, 34770), (2318, 34680), (2440, 32946), (2584, 31110), (2890, 27816), (2928, 27455), (3111, 25840), (3230, 24888), (3468, 23180), (3477, 23120), (3660, 21964), (3876, 20740), (4080, 19703), (4148, 19380), (4335, 18544), (4560, 17629), (4624, 17385), (4636, 17340), (4845, 16592), (4880, 16473), (5168, 15555), (5185, 15504), (5491, 14640), (5780, 13908), (5795, 13872), (6222, 12920), (6460, 12444), (6936, 11590), (6954, 11560), (7320, 10982), (7752, 10370), (8296, 9690), (8670, 9272)]