1720153980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{7507}}^1$

素因数の和:7608

約数の個数: 144

約数和(自身を含む): 5575140480

約数和(自身を除く): 3854986500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 67, 76, 90, 95, 114, 134, 171, 180, 190, 201, 228, 268, 285, 335, 342, 380, 402, 570, 603, 670, 684, 804, 855, 1005, 1140, 1206, 1273, 1340, 1710, 2010, 2412, 2546, 3015, 3420, 3819, 4020, 5092, 6030, 6365, 7507, 7638, 11457, 12060, 12730, 15014, 15276, 19095, 22521, 22914, 25460, 30028, 37535, 38190, 45042, 45828, 57285, 67563, 75070, 76380, 90084, 112605, 114570, 135126, 142633, 150140, 225210, 229140, 270252, 285266, 337815, 427899, 450420, 502969, 570532, 675630, 713165, 855798, 1005938, 1283697, 1351260, 1426330, 1508907, 1711596, 2011876, 2139495, 2514845, 2567394, 2852660, 3017814, 4278990, 4526721, 5029690, 5134788, 6035628, 6418485, 7544535, 8557980, 9053442, 9556411, 10059380, 12836970, 15089070, 18106884, 19112822, 22633605, 25673940, 28669233, 30178140, 38225644, 45267210, 47782055, 57338466, 86007699, 90534420, 95564110, 114676932, 143346165, 172015398, 191128220, 286692330, 344030796, 430038495, 573384660, 860076990, 1720153980]

約数ペア:

[(1, 1720153980), (2, 860076990), (3, 573384660), (4, 430038495), (5, 344030796), (6, 286692330), (9, 191128220), (10, 172015398), (12, 143346165), (15, 114676932), (18, 95564110), (19, 90534420), (20, 86007699), (30, 57338466), (36, 47782055), (38, 45267210), (45, 38225644), (57, 30178140), (60, 28669233), (67, 25673940), (76, 22633605), (90, 19112822), (95, 18106884), (114, 15089070), (134, 12836970), (171, 10059380), (180, 9556411), (190, 9053442), (201, 8557980), (228, 7544535), (268, 6418485), (285, 6035628), (335, 5134788), (342, 5029690), (380, 4526721), (402, 4278990), (570, 3017814), (603, 2852660), (670, 2567394), (684, 2514845), (804, 2139495), (855, 2011876), (1005, 1711596), (1140, 1508907), (1206, 1426330), (1273, 1351260), (1340, 1283697), (1710, 1005938), (2010, 855798), (2412, 713165), (2546, 675630), (3015, 570532), (3420, 502969), (3819, 450420), (4020, 427899), (5092, 337815), (6030, 285266), (6365, 270252), (7507, 229140), (7638, 225210), (11457, 150140), (12060, 142633), (12730, 135126), (15014, 114570), (15276, 112605), (19095, 90084), (22521, 76380), (22914, 75070), (25460, 67563), (30028, 57285), (37535, 45828), (38190, 45042)]