639746640

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{22783}}^1$

素因数の和:22818

約数の個数: 160

約数和(自身を含む): 2373181440

約数和(自身を除く): 1733434800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 48, 52, 54, 60, 65, 72, 78, 80, 90, 104, 108, 117, 120, 130, 135, 144, 156, 180, 195, 208, 216, 234, 240, 260, 270, 312, 351, 360, 390, 432, 468, 520, 540, 585, 624, 702, 720, 780, 936, 1040, 1080, 1170, 1404, 1560, 1755, 1872, 2160, 2340, 2808, 3120, 3510, 4680, 5616, 7020, 9360, 14040, 22783, 28080, 45566, 68349, 91132, 113915, 136698, 182264, 205047, 227830, 273396, 296179, 341745, 364528, 410094, 455660, 546792, 592358, 615141, 683490, 820188, 888537, 911320, 1025235, 1093584, 1184716, 1230282, 1366980, 1480895, 1640376, 1777074, 1822640, 2050470, 2369432, 2460564, 2665611, 2733960, 2961790, 3075705, 3280752, 3554148, 4100940, 4442685, 4738864, 4921128, 5331222, 5467920, 5923580, 6151410, 7108296, 7996833, 8201880, 8885370, 9842256, 10662444, 11847160, 12302820, 13328055, 14216592, 15993666, 16403760, 17770740, 21324888, 23694320, 24605640, 26656110, 31987332, 35541480, 39984165, 42649776, 49211280, 53312220, 63974664, 71082960, 79968330, 106624440, 127949328, 159936660, 213248880, 319873320, 639746640]

約数ペア:

[(1, 639746640), (2, 319873320), (3, 213248880), (4, 159936660), (5, 127949328), (6, 106624440), (8, 79968330), (9, 71082960), (10, 63974664), (12, 53312220), (13, 49211280), (15, 42649776), (16, 39984165), (18, 35541480), (20, 31987332), (24, 26656110), (26, 24605640), (27, 23694320), (30, 21324888), (36, 17770740), (39, 16403760), (40, 15993666), (45, 14216592), (48, 13328055), (52, 12302820), (54, 11847160), (60, 10662444), (65, 9842256), (72, 8885370), (78, 8201880), (80, 7996833), (90, 7108296), (104, 6151410), (108, 5923580), (117, 5467920), (120, 5331222), (130, 4921128), (135, 4738864), (144, 4442685), (156, 4100940), (180, 3554148), (195, 3280752), (208, 3075705), (216, 2961790), (234, 2733960), (240, 2665611), (260, 2460564), (270, 2369432), (312, 2050470), (351, 1822640), (360, 1777074), (390, 1640376), (432, 1480895), (468, 1366980), (520, 1230282), (540, 1184716), (585, 1093584), (624, 1025235), (702, 911320), (720, 888537), (780, 820188), (936, 683490), (1040, 615141), (1080, 592358), (1170, 546792), (1404, 455660), (1560, 410094), (1755, 364528), (1872, 341745), (2160, 296179), (2340, 273396), (2808, 227830), (3120, 205047), (3510, 182264), (4680, 136698), (5616, 113915), (7020, 91132), (9360, 68349), (14040, 45566), (22783, 28080)]