638384760

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1109}}^1$

素因数の和:1183

約数の個数: 256

約数和(自身を含む): 2349648000

約数和(自身を除く): 1711263240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 27, 30, 36, 39, 40, 41, 45, 52, 54, 60, 65, 72, 78, 82, 90, 104, 108, 117, 120, 123, 130, 135, 156, 164, 180, 195, 205, 216, 234, 246, 260, 270, 312, 328, 351, 360, 369, 390, 410, 468, 492, 520, 533, 540, 585, 615, 702, 738, 780, 820, 936, 984, 1066, 1080, 1107, 1109, 1170, 1230, 1404, 1476, 1560, 1599, 1640, 1755, 1845, 2132, 2214, 2218, 2340, 2460, 2665, 2808, 2952, 3198, 3327, 3510, 3690, 4264, 4428, 4436, 4680, 4797, 4920, 5330, 5535, 5545, 6396, 6654, 7020, 7380, 7995, 8856, 8872, 9594, 9981, 10660, 11070, 11090, 12792, 13308, 14040, 14391, 14417, 14760, 15990, 16635, 19188, 19962, 21320, 22140, 22180, 23985, 26616, 28782, 28834, 29943, 31980, 33270, 38376, 39924, 43251, 44280, 44360, 45469, 47970, 49905, 57564, 57668, 59886, 63960, 66540, 71955, 72085, 79848, 86502, 90938, 95940, 99810, 115128, 115336, 119772, 129753, 133080, 136407, 143910, 144170, 149715, 173004, 181876, 191880, 199620, 216255, 227345, 239544, 259506, 272814, 287820, 288340, 299430, 346008, 363752, 389259, 399240, 409221, 432510, 454690, 519012, 545628, 575640, 576680, 591097, 598860, 648765, 682035, 778518, 818442, 865020, 909380, 1038024, 1091256, 1182194, 1197720, 1227663, 1297530, 1364070, 1557036, 1636884, 1730040, 1773291, 1818760, 1946295, 2046105, 2364388, 2455326, 2595060, 2728140, 2955485, 3114072, 3273768, 3546582, 3892590, 4092210, 4728776, 4910652, 5190120, 5319873, 5456280, 5910970, 6138315, 7093164, 7785180, 8184420, 8866455, 9821304, 10639746, 11821940, 12276630, 14186328, 15570360, 15959619, 16368840, 17732910, 21279492, 23643880, 24553260, 26599365, 31919238, 35465820, 42558984, 49106520, 53198730, 63838476, 70931640, 79798095, 106397460, 127676952, 159596190, 212794920, 319192380, 638384760]

約数ペア:

[(1, 638384760), (2, 319192380), (3, 212794920), (4, 159596190), (5, 127676952), (6, 106397460), (8, 79798095), (9, 70931640), (10, 63838476), (12, 53198730), (13, 49106520), (15, 42558984), (18, 35465820), (20, 31919238), (24, 26599365), (26, 24553260), (27, 23643880), (30, 21279492), (36, 17732910), (39, 16368840), (40, 15959619), (41, 15570360), (45, 14186328), (52, 12276630), (54, 11821940), (60, 10639746), (65, 9821304), (72, 8866455), (78, 8184420), (82, 7785180), (90, 7093164), (104, 6138315), (108, 5910970), (117, 5456280), (120, 5319873), (123, 5190120), (130, 4910652), (135, 4728776), (156, 4092210), (164, 3892590), (180, 3546582), (195, 3273768), (205, 3114072), (216, 2955485), (234, 2728140), (246, 2595060), (260, 2455326), (270, 2364388), (312, 2046105), (328, 1946295), (351, 1818760), (360, 1773291), (369, 1730040), (390, 1636884), (410, 1557036), (468, 1364070), (492, 1297530), (520, 1227663), (533, 1197720), (540, 1182194), (585, 1091256), (615, 1038024), (702, 909380), (738, 865020), (780, 818442), (820, 778518), (936, 682035), (984, 648765), (1066, 598860), (1080, 591097), (1107, 576680), (1109, 575640), (1170, 545628), (1230, 519012), (1404, 454690), (1476, 432510), (1560, 409221), (1599, 399240), (1640, 389259), (1755, 363752), (1845, 346008), (2132, 299430), (2214, 288340), (2218, 287820), (2340, 272814), (2460, 259506), (2665, 239544), (2808, 227345), (2952, 216255), (3198, 199620), (3327, 191880), (3510, 181876), (3690, 173004), (4264, 149715), (4428, 144170), (4436, 143910), (4680, 136407), (4797, 133080), (4920, 129753), (5330, 119772), (5535, 115336), (5545, 115128), (6396, 99810), (6654, 95940), (7020, 90938), (7380, 86502), (7995, 79848), (8856, 72085), (8872, 71955), (9594, 66540), (9981, 63960), (10660, 59886), (11070, 57668), (11090, 57564), (12792, 49905), (13308, 47970), (14040, 45469), (14391, 44360), (14417, 44280), (14760, 43251), (15990, 39924), (16635, 38376), (19188, 33270), (19962, 31980), (21320, 29943), (22140, 28834), (22180, 28782), (23985, 26616)]