80773700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{173}}^1$

素因数の和:246

約数の個数: 144

約数和(自身を含む): 217486080

約数和(自身を除く): 136712380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 25, 28, 29, 35, 46, 50, 58, 70, 92, 100, 115, 116, 140, 145, 161, 173, 175, 203, 230, 290, 322, 346, 350, 406, 460, 575, 580, 644, 667, 692, 700, 725, 805, 812, 865, 1015, 1150, 1211, 1334, 1450, 1610, 1730, 2030, 2300, 2422, 2668, 2900, 3220, 3335, 3460, 3979, 4025, 4060, 4325, 4669, 4844, 5017, 5075, 6055, 6670, 7958, 8050, 8650, 9338, 10034, 10150, 12110, 13340, 15916, 16100, 16675, 17300, 18676, 19895, 20068, 20300, 23345, 24220, 25085, 27853, 30275, 33350, 35119, 39790, 46690, 50170, 55706, 60550, 66700, 70238, 79580, 93380, 99475, 100340, 111412, 115391, 116725, 121100, 125425, 139265, 140476, 175595, 198950, 230782, 233450, 250850, 278530, 351190, 397900, 461564, 466900, 501700, 557060, 576955, 696325, 702380, 807737, 877975, 1153910, 1392650, 1615474, 1755950, 2307820, 2785300, 2884775, 3230948, 3511900, 4038685, 5769550, 8077370, 11539100, 16154740, 20193425, 40386850, 80773700]

約数ペア:

[(1, 80773700), (2, 40386850), (4, 20193425), (5, 16154740), (7, 11539100), (10, 8077370), (14, 5769550), (20, 4038685), (23, 3511900), (25, 3230948), (28, 2884775), (29, 2785300), (35, 2307820), (46, 1755950), (50, 1615474), (58, 1392650), (70, 1153910), (92, 877975), (100, 807737), (115, 702380), (116, 696325), (140, 576955), (145, 557060), (161, 501700), (173, 466900), (175, 461564), (203, 397900), (230, 351190), (290, 278530), (322, 250850), (346, 233450), (350, 230782), (406, 198950), (460, 175595), (575, 140476), (580, 139265), (644, 125425), (667, 121100), (692, 116725), (700, 115391), (725, 111412), (805, 100340), (812, 99475), (865, 93380), (1015, 79580), (1150, 70238), (1211, 66700), (1334, 60550), (1450, 55706), (1610, 50170), (1730, 46690), (2030, 39790), (2300, 35119), (2422, 33350), (2668, 30275), (2900, 27853), (3220, 25085), (3335, 24220), (3460, 23345), (3979, 20300), (4025, 20068), (4060, 19895), (4325, 18676), (4669, 17300), (4844, 16675), (5017, 16100), (5075, 15916), (6055, 13340), (6670, 12110), (7958, 10150), (8050, 10034), (8650, 9338)]