644311360

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{331}}^1$

素因数の和:445

約数の個数: 224

約数和(自身を含む): 1942917120

約数和(自身を除く): 1298605760

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 64, 70, 77, 79, 80, 88, 110, 112, 140, 154, 158, 160, 176, 220, 224, 280, 308, 316, 320, 331, 352, 385, 395, 440, 448, 553, 560, 616, 632, 662, 704, 770, 790, 869, 880, 1106, 1120, 1232, 1264, 1324, 1540, 1580, 1655, 1738, 1760, 2212, 2240, 2317, 2464, 2528, 2648, 2765, 3080, 3160, 3310, 3476, 3520, 3641, 4345, 4424, 4634, 4928, 5056, 5296, 5530, 6083, 6160, 6320, 6620, 6952, 7282, 8690, 8848, 9268, 10592, 11060, 11585, 12166, 12320, 12640, 13240, 13904, 14564, 17380, 17696, 18205, 18536, 21184, 22120, 23170, 24332, 24640, 25280, 25487, 26149, 26480, 27808, 29128, 30415, 34760, 35392, 36410, 37072, 44240, 46340, 48664, 50974, 52298, 52960, 55616, 58256, 60830, 69520, 72820, 74144, 88480, 92680, 97328, 101948, 104596, 105920, 116512, 121660, 127435, 130745, 139040, 145640, 148288, 176960, 183043, 185360, 194656, 203896, 209192, 233024, 243320, 254870, 261490, 278080, 287639, 291280, 366086, 370720, 389312, 407792, 418384, 486640, 509740, 522980, 575278, 582560, 732172, 741440, 815584, 836768, 915215, 973280, 1019480, 1045960, 1150556, 1165120, 1438195, 1464344, 1631168, 1673536, 1830430, 1946560, 2013473, 2038960, 2091920, 2301112, 2876390, 2928688, 3660860, 4026946, 4077920, 4183840, 4602224, 5752780, 5857376, 7321720, 8053892, 8155840, 8367680, 9204448, 10067365, 11505560, 11714752, 14643440, 16107784, 18408896, 20134730, 23011120, 29286880, 32215568, 40269460, 46022240, 58573760, 64431136, 80538920, 92044480, 128862272, 161077840, 322155680, 644311360]

約数ペア:

[(1, 644311360), (2, 322155680), (4, 161077840), (5, 128862272), (7, 92044480), (8, 80538920), (10, 64431136), (11, 58573760), (14, 46022240), (16, 40269460), (20, 32215568), (22, 29286880), (28, 23011120), (32, 20134730), (35, 18408896), (40, 16107784), (44, 14643440), (55, 11714752), (56, 11505560), (64, 10067365), (70, 9204448), (77, 8367680), (79, 8155840), (80, 8053892), (88, 7321720), (110, 5857376), (112, 5752780), (140, 4602224), (154, 4183840), (158, 4077920), (160, 4026946), (176, 3660860), (220, 2928688), (224, 2876390), (280, 2301112), (308, 2091920), (316, 2038960), (320, 2013473), (331, 1946560), (352, 1830430), (385, 1673536), (395, 1631168), (440, 1464344), (448, 1438195), (553, 1165120), (560, 1150556), (616, 1045960), (632, 1019480), (662, 973280), (704, 915215), (770, 836768), (790, 815584), (869, 741440), (880, 732172), (1106, 582560), (1120, 575278), (1232, 522980), (1264, 509740), (1324, 486640), (1540, 418384), (1580, 407792), (1655, 389312), (1738, 370720), (1760, 366086), (2212, 291280), (2240, 287639), (2317, 278080), (2464, 261490), (2528, 254870), (2648, 243320), (2765, 233024), (3080, 209192), (3160, 203896), (3310, 194656), (3476, 185360), (3520, 183043), (3641, 176960), (4345, 148288), (4424, 145640), (4634, 139040), (4928, 130745), (5056, 127435), (5296, 121660), (5530, 116512), (6083, 105920), (6160, 104596), (6320, 101948), (6620, 97328), (6952, 92680), (7282, 88480), (8690, 74144), (8848, 72820), (9268, 69520), (10592, 60830), (11060, 58256), (11585, 55616), (12166, 52960), (12320, 52298), (12640, 50974), (13240, 48664), (13904, 46340), (14564, 44240), (17380, 37072), (17696, 36410), (18205, 35392), (18536, 34760), (21184, 30415), (22120, 29128), (23170, 27808), (24332, 26480), (24640, 26149), (25280, 25487)]