64504180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{151}}^1$

素因数の和:257

約数の個数: 96

約数和(自身を含む): 154441728

約数和(自身を除く): 89937548

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 53, 62, 65, 106, 124, 130, 151, 155, 212, 260, 265, 302, 310, 403, 530, 604, 620, 689, 755, 806, 1060, 1378, 1510, 1612, 1643, 1963, 2015, 2756, 3020, 3286, 3445, 3926, 4030, 4681, 6572, 6890, 7852, 8003, 8060, 8215, 9362, 9815, 13780, 16006, 16430, 18724, 19630, 21359, 23405, 32012, 32860, 39260, 40015, 42718, 46810, 60853, 80030, 85436, 93620, 104039, 106795, 121706, 160060, 208078, 213590, 243412, 248093, 304265, 416156, 427180, 496186, 520195, 608530, 992372, 1040390, 1217060, 1240465, 2080780, 2480930, 3225209, 4961860, 6450418, 12900836, 16126045, 32252090, 64504180]

約数ペア:

[(1, 64504180), (2, 32252090), (4, 16126045), (5, 12900836), (10, 6450418), (13, 4961860), (20, 3225209), (26, 2480930), (31, 2080780), (52, 1240465), (53, 1217060), (62, 1040390), (65, 992372), (106, 608530), (124, 520195), (130, 496186), (151, 427180), (155, 416156), (212, 304265), (260, 248093), (265, 243412), (302, 213590), (310, 208078), (403, 160060), (530, 121706), (604, 106795), (620, 104039), (689, 93620), (755, 85436), (806, 80030), (1060, 60853), (1378, 46810), (1510, 42718), (1612, 40015), (1643, 39260), (1963, 32860), (2015, 32012), (2756, 23405), (3020, 21359), (3286, 19630), (3445, 18724), (3926, 16430), (4030, 16006), (4681, 13780), (6572, 9815), (6890, 9362), (7852, 8215), (8003, 8060)]