178240140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{211}}^1$

素因数の和:277

約数の個数: 216

約数和(自身を含む): 617421168

約数和(自身を除く): 439181028

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 19, 20, 26, 30, 36, 38, 39, 45, 52, 57, 60, 65, 76, 78, 90, 95, 114, 117, 130, 156, 171, 180, 190, 195, 211, 228, 234, 247, 260, 285, 342, 361, 380, 390, 422, 468, 494, 570, 585, 633, 684, 722, 741, 780, 844, 855, 988, 1055, 1083, 1140, 1170, 1235, 1266, 1444, 1482, 1710, 1805, 1899, 2110, 2166, 2223, 2340, 2470, 2532, 2743, 2964, 3165, 3249, 3420, 3610, 3705, 3798, 4009, 4220, 4332, 4446, 4693, 4940, 5415, 5486, 6330, 6498, 7220, 7410, 7596, 8018, 8229, 8892, 9386, 9495, 10830, 10972, 11115, 12027, 12660, 12996, 13715, 14079, 14820, 16036, 16245, 16458, 18772, 18990, 20045, 21660, 22230, 23465, 24054, 24687, 27430, 28158, 32490, 32916, 36081, 37980, 40090, 41145, 42237, 44460, 46930, 48108, 49374, 52117, 54860, 56316, 60135, 64980, 70395, 72162, 76171, 80180, 82290, 84474, 93860, 98748, 104234, 120270, 123435, 140790, 144324, 152342, 156351, 164580, 168948, 180405, 208468, 211185, 228513, 240540, 246870, 260585, 281580, 304684, 312702, 360810, 380855, 422370, 457026, 469053, 493740, 521170, 625404, 685539, 721620, 761710, 781755, 844740, 914052, 938106, 990223, 1042340, 1142565, 1371078, 1523420, 1563510, 1876212, 1980446, 2285130, 2345265, 2742156, 2970669, 3127020, 3427695, 3960892, 4570260, 4690530, 4951115, 5941338, 6855390, 8912007, 9381060, 9902230, 11882676, 13710780, 14853345, 17824014, 19804460, 29706690, 35648028, 44560035, 59413380, 89120070, 178240140]

約数ペア:

[(1, 178240140), (2, 89120070), (3, 59413380), (4, 44560035), (5, 35648028), (6, 29706690), (9, 19804460), (10, 17824014), (12, 14853345), (13, 13710780), (15, 11882676), (18, 9902230), (19, 9381060), (20, 8912007), (26, 6855390), (30, 5941338), (36, 4951115), (38, 4690530), (39, 4570260), (45, 3960892), (52, 3427695), (57, 3127020), (60, 2970669), (65, 2742156), (76, 2345265), (78, 2285130), (90, 1980446), (95, 1876212), (114, 1563510), (117, 1523420), (130, 1371078), (156, 1142565), (171, 1042340), (180, 990223), (190, 938106), (195, 914052), (211, 844740), (228, 781755), (234, 761710), (247, 721620), (260, 685539), (285, 625404), (342, 521170), (361, 493740), (380, 469053), (390, 457026), (422, 422370), (468, 380855), (494, 360810), (570, 312702), (585, 304684), (633, 281580), (684, 260585), (722, 246870), (741, 240540), (780, 228513), (844, 211185), (855, 208468), (988, 180405), (1055, 168948), (1083, 164580), (1140, 156351), (1170, 152342), (1235, 144324), (1266, 140790), (1444, 123435), (1482, 120270), (1710, 104234), (1805, 98748), (1899, 93860), (2110, 84474), (2166, 82290), (2223, 80180), (2340, 76171), (2470, 72162), (2532, 70395), (2743, 64980), (2964, 60135), (3165, 56316), (3249, 54860), (3420, 52117), (3610, 49374), (3705, 48108), (3798, 46930), (4009, 44460), (4220, 42237), (4332, 41145), (4446, 40090), (4693, 37980), (4940, 36081), (5415, 32916), (5486, 32490), (6330, 28158), (6498, 27430), (7220, 24687), (7410, 24054), (7596, 23465), (8018, 22230), (8229, 21660), (8892, 20045), (9386, 18990), (9495, 18772), (10830, 16458), (10972, 16245), (11115, 16036), (12027, 14820), (12660, 14079), (12996, 13715)]