320297520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{19919}}^1$

素因数の和:20002

約数の個数: 80

約数和(自身を含む): 1007792640

約数和(自身を除く): 687495120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 67, 80, 120, 134, 201, 240, 268, 335, 402, 536, 670, 804, 1005, 1072, 1340, 1608, 2010, 2680, 3216, 4020, 5360, 8040, 16080, 19919, 39838, 59757, 79676, 99595, 119514, 159352, 199190, 239028, 298785, 318704, 398380, 478056, 597570, 796760, 956112, 1195140, 1334573, 1593520, 2390280, 2669146, 4003719, 4780560, 5338292, 6672865, 8007438, 10676584, 13345730, 16014876, 20018595, 21353168, 26691460, 32029752, 40037190, 53382920, 64059504, 80074380, 106765840, 160148760, 320297520]

約数ペア:

[(1, 320297520), (2, 160148760), (3, 106765840), (4, 80074380), (5, 64059504), (6, 53382920), (8, 40037190), (10, 32029752), (12, 26691460), (15, 21353168), (16, 20018595), (20, 16014876), (24, 13345730), (30, 10676584), (40, 8007438), (48, 6672865), (60, 5338292), (67, 4780560), (80, 4003719), (120, 2669146), (134, 2390280), (201, 1593520), (240, 1334573), (268, 1195140), (335, 956112), (402, 796760), (536, 597570), (670, 478056), (804, 398380), (1005, 318704), (1072, 298785), (1340, 239028), (1608, 199190), (2010, 159352), (2680, 119514), (3216, 99595), (4020, 79676), (5360, 59757), (8040, 39838), (16080, 19919)]