64901888920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1901}}^1\times {\mathrm{2503}}^1$

素因数の和:4457

約数の個数: 128

約数和(自身を含む): 164595732480

約数和(自身を除く): 99693843560

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 88, 110, 124, 155, 220, 248, 310, 341, 440, 620, 682, 1240, 1364, 1705, 1901, 2503, 2728, 3410, 3802, 5006, 6820, 7604, 9505, 10012, 12515, 13640, 15208, 19010, 20024, 20911, 25030, 27533, 38020, 41822, 50060, 55066, 58931, 76040, 77593, 83644, 100120, 104555, 110132, 117862, 137665, 155186, 167288, 209110, 220264, 235724, 275330, 294655, 310372, 387965, 418220, 471448, 550660, 589310, 620744, 648241, 775930, 836440, 853523, 1101320, 1178620, 1296482, 1551860, 1707046, 2357240, 2592964, 3103720, 3241205, 3414092, 4267615, 4758203, 5185928, 6482410, 6828184, 8535230, 9516406, 12964820, 17070460, 19032812, 23791015, 25929640, 34140920, 38065624, 47582030, 52340233, 95164060, 104680466, 147504293, 190328120, 209360932, 261701165, 295008586, 418721864, 523402330, 590017172, 737521465, 1046804660, 1180034344, 1475042930, 1622547223, 2093609320, 2950085860, 3245094446, 5900171720, 6490188892, 8112736115, 12980377784, 16225472230, 32450944460, 64901888920]

約数ペア:

[(1, 64901888920), (2, 32450944460), (4, 16225472230), (5, 12980377784), (8, 8112736115), (10, 6490188892), (11, 5900171720), (20, 3245094446), (22, 2950085860), (31, 2093609320), (40, 1622547223), (44, 1475042930), (55, 1180034344), (62, 1046804660), (88, 737521465), (110, 590017172), (124, 523402330), (155, 418721864), (220, 295008586), (248, 261701165), (310, 209360932), (341, 190328120), (440, 147504293), (620, 104680466), (682, 95164060), (1240, 52340233), (1364, 47582030), (1705, 38065624), (1901, 34140920), (2503, 25929640), (2728, 23791015), (3410, 19032812), (3802, 17070460), (5006, 12964820), (6820, 9516406), (7604, 8535230), (9505, 6828184), (10012, 6482410), (12515, 5185928), (13640, 4758203), (15208, 4267615), (19010, 3414092), (20024, 3241205), (20911, 3103720), (25030, 2592964), (27533, 2357240), (38020, 1707046), (41822, 1551860), (50060, 1296482), (55066, 1178620), (58931, 1101320), (76040, 853523), (77593, 836440), (83644, 775930), (100120, 648241), (104555, 620744), (110132, 589310), (117862, 550660), (137665, 471448), (155186, 418220), (167288, 387965), (209110, 310372), (220264, 294655), (235724, 275330)]