205661880

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{397}}^1\times {\mathrm{1439}}^1$

素因数の和:1853

約数の個数: 96

約数和(自身を含む): 670550400

約数和(自身を除く): 464888520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 397, 794, 1191, 1439, 1588, 1985, 2382, 2878, 3176, 3573, 3970, 4317, 4764, 5756, 5955, 7146, 7195, 7940, 8634, 9528, 11512, 11910, 12951, 14292, 14390, 15880, 17268, 17865, 21585, 23820, 25902, 28584, 28780, 34536, 35730, 43170, 47640, 51804, 57560, 64755, 71460, 86340, 103608, 129510, 142920, 172680, 259020, 518040, 571283, 1142566, 1713849, 2285132, 2856415, 3427698, 4570264, 5141547, 5712830, 6855396, 8569245, 10283094, 11425660, 13710792, 17138490, 20566188, 22851320, 25707735, 34276980, 41132376, 51415470, 68553960, 102830940, 205661880]

約数ペア:

[(1, 205661880), (2, 102830940), (3, 68553960), (4, 51415470), (5, 41132376), (6, 34276980), (8, 25707735), (9, 22851320), (10, 20566188), (12, 17138490), (15, 13710792), (18, 11425660), (20, 10283094), (24, 8569245), (30, 6855396), (36, 5712830), (40, 5141547), (45, 4570264), (60, 3427698), (72, 2856415), (90, 2285132), (120, 1713849), (180, 1142566), (360, 571283), (397, 518040), (794, 259020), (1191, 172680), (1439, 142920), (1588, 129510), (1985, 103608), (2382, 86340), (2878, 71460), (3176, 64755), (3573, 57560), (3970, 51804), (4317, 47640), (4764, 43170), (5756, 35730), (5955, 34536), (7146, 28780), (7195, 28584), (7940, 25902), (8634, 23820), (9528, 21585), (11512, 17865), (11910, 17268), (12951, 15880), (14292, 14390)]