205921680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{1231}}^1$

素因数の和:1305

約数の個数: 160

約数和(自身を含む): 692955648

約数和(自身を除く): 487033968

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 41, 48, 51, 60, 68, 80, 82, 85, 102, 120, 123, 136, 164, 170, 204, 205, 240, 246, 255, 272, 328, 340, 408, 410, 492, 510, 615, 656, 680, 697, 816, 820, 984, 1020, 1230, 1231, 1360, 1394, 1640, 1968, 2040, 2091, 2460, 2462, 2788, 3280, 3485, 3693, 4080, 4182, 4920, 4924, 5576, 6155, 6970, 7386, 8364, 9840, 9848, 10455, 11152, 12310, 13940, 14772, 16728, 18465, 19696, 20910, 20927, 24620, 27880, 29544, 33456, 36930, 41820, 41854, 49240, 50471, 55760, 59088, 62781, 73860, 83640, 83708, 98480, 100942, 104635, 125562, 147720, 151413, 167280, 167416, 201884, 209270, 251124, 252355, 295440, 302826, 313905, 334832, 403768, 418540, 502248, 504710, 605652, 627810, 757065, 807536, 837080, 858007, 1004496, 1009420, 1211304, 1255620, 1514130, 1674160, 1716014, 2018840, 2422608, 2511240, 2574021, 3028260, 3432028, 4037680, 4290035, 5022480, 5148042, 6056520, 6864056, 8580070, 10296084, 12113040, 12870105, 13728112, 17160140, 20592168, 25740210, 34320280, 41184336, 51480420, 68640560, 102960840, 205921680]

約数ペア:

[(1, 205921680), (2, 102960840), (3, 68640560), (4, 51480420), (5, 41184336), (6, 34320280), (8, 25740210), (10, 20592168), (12, 17160140), (15, 13728112), (16, 12870105), (17, 12113040), (20, 10296084), (24, 8580070), (30, 6864056), (34, 6056520), (40, 5148042), (41, 5022480), (48, 4290035), (51, 4037680), (60, 3432028), (68, 3028260), (80, 2574021), (82, 2511240), (85, 2422608), (102, 2018840), (120, 1716014), (123, 1674160), (136, 1514130), (164, 1255620), (170, 1211304), (204, 1009420), (205, 1004496), (240, 858007), (246, 837080), (255, 807536), (272, 757065), (328, 627810), (340, 605652), (408, 504710), (410, 502248), (492, 418540), (510, 403768), (615, 334832), (656, 313905), (680, 302826), (697, 295440), (816, 252355), (820, 251124), (984, 209270), (1020, 201884), (1230, 167416), (1231, 167280), (1360, 151413), (1394, 147720), (1640, 125562), (1968, 104635), (2040, 100942), (2091, 98480), (2460, 83708), (2462, 83640), (2788, 73860), (3280, 62781), (3485, 59088), (3693, 55760), (4080, 50471), (4182, 49240), (4920, 41854), (4924, 41820), (5576, 36930), (6155, 33456), (6970, 29544), (7386, 27880), (8364, 24620), (9840, 20927), (9848, 20910), (10455, 19696), (11152, 18465), (12310, 16728), (13940, 14772)]