205525920

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{283}}^1$

素因数の和:407

約数の個数: 192

約数和(自身を含む): 695640960

約数和(自身を除く): 490115040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 68, 80, 85, 89, 96, 102, 120, 136, 160, 170, 178, 204, 240, 255, 267, 272, 283, 340, 356, 408, 445, 480, 510, 534, 544, 566, 680, 712, 816, 849, 890, 1020, 1068, 1132, 1335, 1360, 1415, 1424, 1513, 1632, 1698, 1780, 2040, 2136, 2264, 2670, 2720, 2830, 2848, 3026, 3396, 3560, 4080, 4245, 4272, 4528, 4539, 4811, 5340, 5660, 6052, 6792, 7120, 7565, 8160, 8490, 8544, 9056, 9078, 9622, 10680, 11320, 12104, 13584, 14240, 14433, 15130, 16980, 18156, 19244, 21360, 22640, 22695, 24055, 24208, 25187, 27168, 28866, 30260, 33960, 36312, 38488, 42720, 45280, 45390, 48110, 48416, 50374, 57732, 60520, 67920, 72165, 72624, 75561, 76976, 90780, 96220, 100748, 115464, 121040, 125935, 135840, 144330, 145248, 151122, 153952, 181560, 192440, 201496, 230928, 242080, 251870, 288660, 302244, 363120, 377805, 384880, 402992, 428179, 461856, 503740, 577320, 604488, 726240, 755610, 769760, 805984, 856358, 1007480, 1154640, 1208976, 1284537, 1511220, 1712716, 2014960, 2140895, 2309280, 2417952, 2569074, 3022440, 3425432, 4029920, 4281790, 5138148, 6044880, 6422685, 6850864, 8563580, 10276296, 12089760, 12845370, 13701728, 17127160, 20552592, 25690740, 34254320, 41105184, 51381480, 68508640, 102762960, 205525920]

約数ペア:

[(1, 205525920), (2, 102762960), (3, 68508640), (4, 51381480), (5, 41105184), (6, 34254320), (8, 25690740), (10, 20552592), (12, 17127160), (15, 13701728), (16, 12845370), (17, 12089760), (20, 10276296), (24, 8563580), (30, 6850864), (32, 6422685), (34, 6044880), (40, 5138148), (48, 4281790), (51, 4029920), (60, 3425432), (68, 3022440), (80, 2569074), (85, 2417952), (89, 2309280), (96, 2140895), (102, 2014960), (120, 1712716), (136, 1511220), (160, 1284537), (170, 1208976), (178, 1154640), (204, 1007480), (240, 856358), (255, 805984), (267, 769760), (272, 755610), (283, 726240), (340, 604488), (356, 577320), (408, 503740), (445, 461856), (480, 428179), (510, 402992), (534, 384880), (544, 377805), (566, 363120), (680, 302244), (712, 288660), (816, 251870), (849, 242080), (890, 230928), (1020, 201496), (1068, 192440), (1132, 181560), (1335, 153952), (1360, 151122), (1415, 145248), (1424, 144330), (1513, 135840), (1632, 125935), (1698, 121040), (1780, 115464), (2040, 100748), (2136, 96220), (2264, 90780), (2670, 76976), (2720, 75561), (2830, 72624), (2848, 72165), (3026, 67920), (3396, 60520), (3560, 57732), (4080, 50374), (4245, 48416), (4272, 48110), (4528, 45390), (4539, 45280), (4811, 42720), (5340, 38488), (5660, 36312), (6052, 33960), (6792, 30260), (7120, 28866), (7565, 27168), (8160, 25187), (8490, 24208), (8544, 24055), (9056, 22695), (9078, 22640), (9622, 21360), (10680, 19244), (11320, 18156), (12104, 16980), (13584, 15130), (14240, 14433)]