639959220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{283}}^1\times {\mathrm{739}}^1$

素因数の和:1054

約数の個数: 144

約数和(自身を含む): 2065452480

約数和(自身を除く): 1425493260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 283, 306, 340, 510, 566, 612, 739, 765, 849, 1020, 1132, 1415, 1478, 1530, 1698, 2217, 2547, 2830, 2956, 3060, 3396, 3695, 4245, 4434, 4811, 5094, 5660, 6651, 7390, 8490, 8868, 9622, 10188, 11085, 12563, 12735, 13302, 14433, 14780, 16980, 19244, 22170, 24055, 25126, 25470, 26604, 28866, 33255, 37689, 43299, 44340, 48110, 50252, 50940, 57732, 62815, 66510, 72165, 75378, 86598, 96220, 113067, 125630, 133020, 144330, 150756, 173196, 188445, 209137, 216495, 226134, 251260, 288660, 376890, 418274, 432990, 452268, 565335, 627411, 753780, 836548, 865980, 1045685, 1130670, 1254822, 1882233, 2091370, 2261340, 2509644, 3137055, 3555329, 3764466, 4182740, 6274110, 7110658, 7528932, 9411165, 10665987, 12548220, 14221316, 17776645, 18822330, 21331974, 31997961, 35553290, 37644660, 42663948, 53329935, 63995922, 71106580, 106659870, 127991844, 159989805, 213319740, 319979610, 639959220]

約数ペア:

[(1, 639959220), (2, 319979610), (3, 213319740), (4, 159989805), (5, 127991844), (6, 106659870), (9, 71106580), (10, 63995922), (12, 53329935), (15, 42663948), (17, 37644660), (18, 35553290), (20, 31997961), (30, 21331974), (34, 18822330), (36, 17776645), (45, 14221316), (51, 12548220), (60, 10665987), (68, 9411165), (85, 7528932), (90, 7110658), (102, 6274110), (153, 4182740), (170, 3764466), (180, 3555329), (204, 3137055), (255, 2509644), (283, 2261340), (306, 2091370), (340, 1882233), (510, 1254822), (566, 1130670), (612, 1045685), (739, 865980), (765, 836548), (849, 753780), (1020, 627411), (1132, 565335), (1415, 452268), (1478, 432990), (1530, 418274), (1698, 376890), (2217, 288660), (2547, 251260), (2830, 226134), (2956, 216495), (3060, 209137), (3396, 188445), (3695, 173196), (4245, 150756), (4434, 144330), (4811, 133020), (5094, 125630), (5660, 113067), (6651, 96220), (7390, 86598), (8490, 75378), (8868, 72165), (9622, 66510), (10188, 62815), (11085, 57732), (12563, 50940), (12735, 50252), (13302, 48110), (14433, 44340), (14780, 43299), (16980, 37689), (19244, 33255), (22170, 28866), (24055, 26604), (25126, 25470)]