640592160

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{409}}^1$

素因数の和:691

約数の個数: 192

約数和(自身を含む): 2187077760

約数和(自身を除く): 1546485600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 65, 78, 80, 96, 104, 120, 130, 156, 160, 195, 208, 240, 251, 260, 312, 390, 409, 416, 480, 502, 520, 624, 753, 780, 818, 1004, 1040, 1227, 1248, 1255, 1506, 1560, 1636, 2008, 2045, 2080, 2454, 2510, 3012, 3120, 3263, 3272, 3765, 4016, 4090, 4908, 5020, 5317, 6024, 6135, 6240, 6526, 6544, 7530, 8032, 8180, 9789, 9816, 10040, 10634, 12048, 12270, 13052, 13088, 15060, 15951, 16315, 16360, 19578, 19632, 20080, 21268, 24096, 24540, 26104, 26585, 30120, 31902, 32630, 32720, 39156, 39264, 40160, 42536, 48945, 49080, 52208, 53170, 60240, 63804, 65260, 65440, 78312, 79755, 85072, 97890, 98160, 102659, 104416, 106340, 120480, 127608, 130520, 156624, 159510, 170144, 195780, 196320, 205318, 212680, 255216, 261040, 307977, 313248, 319020, 391560, 410636, 425360, 510432, 513295, 522080, 615954, 638040, 783120, 821272, 850720, 1026590, 1231908, 1276080, 1334567, 1539885, 1566240, 1642544, 2053180, 2463816, 2552160, 2669134, 3079770, 3285088, 4003701, 4106360, 4927632, 5338268, 6159540, 6672835, 8007402, 8212720, 9855264, 10676536, 12319080, 13345670, 16014804, 16425440, 20018505, 21353072, 24638160, 26691340, 32029608, 40037010, 42706144, 49276320, 53382680, 64059216, 80074020, 106765360, 128118432, 160148040, 213530720, 320296080, 640592160]

約数ペア:

[(1, 640592160), (2, 320296080), (3, 213530720), (4, 160148040), (5, 128118432), (6, 106765360), (8, 80074020), (10, 64059216), (12, 53382680), (13, 49276320), (15, 42706144), (16, 40037010), (20, 32029608), (24, 26691340), (26, 24638160), (30, 21353072), (32, 20018505), (39, 16425440), (40, 16014804), (48, 13345670), (52, 12319080), (60, 10676536), (65, 9855264), (78, 8212720), (80, 8007402), (96, 6672835), (104, 6159540), (120, 5338268), (130, 4927632), (156, 4106360), (160, 4003701), (195, 3285088), (208, 3079770), (240, 2669134), (251, 2552160), (260, 2463816), (312, 2053180), (390, 1642544), (409, 1566240), (416, 1539885), (480, 1334567), (502, 1276080), (520, 1231908), (624, 1026590), (753, 850720), (780, 821272), (818, 783120), (1004, 638040), (1040, 615954), (1227, 522080), (1248, 513295), (1255, 510432), (1506, 425360), (1560, 410636), (1636, 391560), (2008, 319020), (2045, 313248), (2080, 307977), (2454, 261040), (2510, 255216), (3012, 212680), (3120, 205318), (3263, 196320), (3272, 195780), (3765, 170144), (4016, 159510), (4090, 156624), (4908, 130520), (5020, 127608), (5317, 120480), (6024, 106340), (6135, 104416), (6240, 102659), (6526, 98160), (6544, 97890), (7530, 85072), (8032, 79755), (8180, 78312), (9789, 65440), (9816, 65260), (10040, 63804), (10634, 60240), (12048, 53170), (12270, 52208), (13052, 49080), (13088, 48945), (15060, 42536), (15951, 40160), (16315, 39264), (16360, 39156), (19578, 32720), (19632, 32630), (20080, 31902), (21268, 30120), (24096, 26585), (24540, 26104)]