1664477820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{13267}}^1$

素因数の和:13340

約数の個数: 144

約数和(自身を含む): 5476711968

約数和(自身を除く): 3812234148

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 41, 45, 51, 60, 68, 82, 85, 90, 102, 123, 153, 164, 170, 180, 204, 205, 246, 255, 306, 340, 369, 410, 492, 510, 612, 615, 697, 738, 765, 820, 1020, 1230, 1394, 1476, 1530, 1845, 2091, 2460, 2788, 3060, 3485, 3690, 4182, 6273, 6970, 7380, 8364, 10455, 12546, 13267, 13940, 20910, 25092, 26534, 31365, 39801, 41820, 53068, 62730, 66335, 79602, 119403, 125460, 132670, 159204, 199005, 225539, 238806, 265340, 398010, 451078, 477612, 543947, 597015, 676617, 796020, 902156, 1087894, 1127695, 1194030, 1353234, 1631841, 2029851, 2175788, 2255390, 2388060, 2706468, 2719735, 3263682, 3383085, 4059702, 4510780, 4895523, 5439470, 6527364, 6766170, 8119404, 8159205, 9247099, 9791046, 10149255, 10878940, 13532340, 16318410, 18494198, 19582092, 20298510, 24477615, 27741297, 32636820, 36988396, 40597020, 46235495, 48955230, 55482594, 83223891, 92470990, 97910460, 110965188, 138706485, 166447782, 184941980, 277412970, 332895564, 416119455, 554825940, 832238910, 1664477820]

約数ペア:

[(1, 1664477820), (2, 832238910), (3, 554825940), (4, 416119455), (5, 332895564), (6, 277412970), (9, 184941980), (10, 166447782), (12, 138706485), (15, 110965188), (17, 97910460), (18, 92470990), (20, 83223891), (30, 55482594), (34, 48955230), (36, 46235495), (41, 40597020), (45, 36988396), (51, 32636820), (60, 27741297), (68, 24477615), (82, 20298510), (85, 19582092), (90, 18494198), (102, 16318410), (123, 13532340), (153, 10878940), (164, 10149255), (170, 9791046), (180, 9247099), (204, 8159205), (205, 8119404), (246, 6766170), (255, 6527364), (306, 5439470), (340, 4895523), (369, 4510780), (410, 4059702), (492, 3383085), (510, 3263682), (612, 2719735), (615, 2706468), (697, 2388060), (738, 2255390), (765, 2175788), (820, 2029851), (1020, 1631841), (1230, 1353234), (1394, 1194030), (1476, 1127695), (1530, 1087894), (1845, 902156), (2091, 796020), (2460, 676617), (2788, 597015), (3060, 543947), (3485, 477612), (3690, 451078), (4182, 398010), (6273, 265340), (6970, 238806), (7380, 225539), (8364, 199005), (10455, 159204), (12546, 132670), (13267, 125460), (13940, 119403), (20910, 79602), (25092, 66335), (26534, 62730), (31365, 53068), (39801, 41820)]