31675280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{229}}^1$

素因数の和:281

約数の個数: 160

約数和(自身を含む): 95827200

約数和(自身を除く): 64151920

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 19, 20, 26, 28, 35, 38, 40, 52, 56, 65, 70, 76, 80, 91, 95, 104, 112, 130, 133, 140, 152, 182, 190, 208, 229, 247, 260, 266, 280, 304, 364, 380, 455, 458, 494, 520, 532, 560, 665, 728, 760, 910, 916, 988, 1040, 1064, 1145, 1235, 1330, 1456, 1520, 1603, 1729, 1820, 1832, 1976, 2128, 2290, 2470, 2660, 2977, 3206, 3458, 3640, 3664, 3952, 4351, 4580, 4940, 5320, 5954, 6412, 6916, 7280, 8015, 8645, 8702, 9160, 9880, 10640, 11908, 12824, 13832, 14885, 16030, 17290, 17404, 18320, 19760, 20839, 21755, 23816, 25648, 27664, 29770, 30457, 32060, 34580, 34808, 41678, 43510, 47632, 56563, 59540, 60914, 64120, 69160, 69616, 83356, 87020, 104195, 113126, 119080, 121828, 128240, 138320, 152285, 166712, 174040, 208390, 226252, 238160, 243656, 282815, 304570, 333424, 348080, 395941, 416780, 452504, 487312, 565630, 609140, 791882, 833560, 905008, 1131260, 1218280, 1583764, 1667120, 1979705, 2262520, 2436560, 3167528, 3959410, 4525040, 6335056, 7918820, 15837640, 31675280]

約数ペア:

[(1, 31675280), (2, 15837640), (4, 7918820), (5, 6335056), (7, 4525040), (8, 3959410), (10, 3167528), (13, 2436560), (14, 2262520), (16, 1979705), (19, 1667120), (20, 1583764), (26, 1218280), (28, 1131260), (35, 905008), (38, 833560), (40, 791882), (52, 609140), (56, 565630), (65, 487312), (70, 452504), (76, 416780), (80, 395941), (91, 348080), (95, 333424), (104, 304570), (112, 282815), (130, 243656), (133, 238160), (140, 226252), (152, 208390), (182, 174040), (190, 166712), (208, 152285), (229, 138320), (247, 128240), (260, 121828), (266, 119080), (280, 113126), (304, 104195), (364, 87020), (380, 83356), (455, 69616), (458, 69160), (494, 64120), (520, 60914), (532, 59540), (560, 56563), (665, 47632), (728, 43510), (760, 41678), (910, 34808), (916, 34580), (988, 32060), (1040, 30457), (1064, 29770), (1145, 27664), (1235, 25648), (1330, 23816), (1456, 21755), (1520, 20839), (1603, 19760), (1729, 18320), (1820, 17404), (1832, 17290), (1976, 16030), (2128, 14885), (2290, 13832), (2470, 12824), (2660, 11908), (2977, 10640), (3206, 9880), (3458, 9160), (3640, 8702), (3664, 8645), (3952, 8015), (4351, 7280), (4580, 6916), (4940, 6412), (5320, 5954)]