289640520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{311}}^1$

素因数の和:540

約数の個数: 192

約数和(自身を含む): 1022112000

約数和(自身を除く): 732471480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 65, 72, 78, 90, 104, 117, 120, 130, 156, 180, 195, 199, 234, 260, 311, 312, 360, 390, 398, 468, 520, 585, 597, 622, 780, 796, 933, 936, 995, 1170, 1194, 1244, 1555, 1560, 1592, 1791, 1866, 1990, 2340, 2388, 2488, 2587, 2799, 2985, 3110, 3582, 3732, 3980, 4043, 4665, 4680, 4776, 5174, 5598, 5970, 6220, 7164, 7464, 7761, 7960, 8086, 8955, 9330, 10348, 11196, 11940, 12129, 12440, 12935, 13995, 14328, 15522, 16172, 17910, 18660, 20215, 20696, 22392, 23283, 23880, 24258, 25870, 27990, 31044, 32344, 35820, 36387, 37320, 38805, 40430, 46566, 48516, 51740, 55980, 60645, 61889, 62088, 71640, 72774, 77610, 80860, 93132, 97032, 103480, 111960, 116415, 121290, 123778, 145548, 155220, 161720, 181935, 185667, 186264, 232830, 242580, 247556, 291096, 309445, 310440, 363870, 371334, 465660, 485160, 495112, 557001, 618890, 727740, 742668, 804557, 928335, 931320, 1114002, 1237780, 1455480, 1485336, 1609114, 1856670, 2228004, 2413671, 2475560, 2785005, 3218228, 3713340, 4022785, 4456008, 4827342, 5570010, 6436456, 7241013, 7426680, 8045570, 9654684, 11140020, 12068355, 14482026, 16091140, 19309368, 22280040, 24136710, 28964052, 32182280, 36205065, 48273420, 57928104, 72410130, 96546840, 144820260, 289640520]

約数ペア:

[(1, 289640520), (2, 144820260), (3, 96546840), (4, 72410130), (5, 57928104), (6, 48273420), (8, 36205065), (9, 32182280), (10, 28964052), (12, 24136710), (13, 22280040), (15, 19309368), (18, 16091140), (20, 14482026), (24, 12068355), (26, 11140020), (30, 9654684), (36, 8045570), (39, 7426680), (40, 7241013), (45, 6436456), (52, 5570010), (60, 4827342), (65, 4456008), (72, 4022785), (78, 3713340), (90, 3218228), (104, 2785005), (117, 2475560), (120, 2413671), (130, 2228004), (156, 1856670), (180, 1609114), (195, 1485336), (199, 1455480), (234, 1237780), (260, 1114002), (311, 931320), (312, 928335), (360, 804557), (390, 742668), (398, 727740), (468, 618890), (520, 557001), (585, 495112), (597, 485160), (622, 465660), (780, 371334), (796, 363870), (933, 310440), (936, 309445), (995, 291096), (1170, 247556), (1194, 242580), (1244, 232830), (1555, 186264), (1560, 185667), (1592, 181935), (1791, 161720), (1866, 155220), (1990, 145548), (2340, 123778), (2388, 121290), (2488, 116415), (2587, 111960), (2799, 103480), (2985, 97032), (3110, 93132), (3582, 80860), (3732, 77610), (3980, 72774), (4043, 71640), (4665, 62088), (4680, 61889), (4776, 60645), (5174, 55980), (5598, 51740), (5970, 48516), (6220, 46566), (7164, 40430), (7464, 38805), (7761, 37320), (7960, 36387), (8086, 35820), (8955, 32344), (9330, 31044), (10348, 27990), (11196, 25870), (11940, 24258), (12129, 23880), (12440, 23283), (12935, 22392), (13995, 20696), (14328, 20215), (15522, 18660), (16172, 17910)]