312839280

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{857}}^1$

素因数の和:905

約数の個数: 240

約数和(自身を含む): 1168184160

約数和(自身を除く): 855344880

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, 169, 180, 195, 208, 216, 234, 240, 260, 270, 312, 338, 351, 360, 390, 432, 468, 507, 520, 540, 585, 624, 676, 702, 720, 780, 845, 857, 936, 1014, 1040, 1080, 1170, 1352, 1404, 1521, 1560, 1690, 1714, 1755, 1872, 2028, 2160, 2340, 2535, 2571, 2704, 2808, 3042, 3120, 3380, 3428, 3510, 4056, 4285, 4563, 4680, 5070, 5142, 5616, 6084, 6760, 6856, 7020, 7605, 7713, 8112, 8570, 9126, 9360, 10140, 10284, 11141, 12168, 12855, 13520, 13712, 14040, 15210, 15426, 17140, 18252, 20280, 20568, 22282, 22815, 23139, 24336, 25710, 28080, 30420, 30852, 33423, 34280, 36504, 38565, 40560, 41136, 44564, 45630, 46278, 51420, 55705, 60840, 61704, 66846, 68560, 73008, 77130, 89128, 91260, 92556, 100269, 102840, 111410, 115695, 121680, 123408, 133692, 144833, 154260, 167115, 178256, 182520, 185112, 200538, 205680, 222820, 231390, 267384, 289666, 300807, 308520, 334230, 365040, 370224, 401076, 434499, 445640, 462780, 501345, 534768, 579332, 601614, 617040, 668460, 724165, 802152, 868998, 891280, 925560, 1002690, 1158664, 1203228, 1303497, 1336920, 1448330, 1504035, 1604304, 1737996, 1851120, 2005380, 2172495, 2317328, 2406456, 2606994, 2673840, 2896660, 3008070, 3475992, 3910491, 4010760, 4344990, 4812912, 5213988, 5793320, 6016140, 6517485, 6951984, 7820982, 8021520, 8689980, 10427976, 11586640, 12032280, 13034970, 15641964, 17379960, 19552455, 20855952, 24064560, 26069940, 31283928, 34759920, 39104910, 52139880, 62567856, 78209820, 104279760, 156419640, 312839280]

約数ペア:

[(1, 312839280), (2, 156419640), (3, 104279760), (4, 78209820), (5, 62567856), (6, 52139880), (8, 39104910), (9, 34759920), (10, 31283928), (12, 26069940), (13, 24064560), (15, 20855952), (16, 19552455), (18, 17379960), (20, 15641964), (24, 13034970), (26, 12032280), (27, 11586640), (30, 10427976), (36, 8689980), (39, 8021520), (40, 7820982), (45, 6951984), (48, 6517485), (52, 6016140), (54, 5793320), (60, 5213988), (65, 4812912), (72, 4344990), (78, 4010760), (80, 3910491), (90, 3475992), (104, 3008070), (108, 2896660), (117, 2673840), (120, 2606994), (130, 2406456), (135, 2317328), (144, 2172495), (156, 2005380), (169, 1851120), (180, 1737996), (195, 1604304), (208, 1504035), (216, 1448330), (234, 1336920), (240, 1303497), (260, 1203228), (270, 1158664), (312, 1002690), (338, 925560), (351, 891280), (360, 868998), (390, 802152), (432, 724165), (468, 668460), (507, 617040), (520, 601614), (540, 579332), (585, 534768), (624, 501345), (676, 462780), (702, 445640), (720, 434499), (780, 401076), (845, 370224), (857, 365040), (936, 334230), (1014, 308520), (1040, 300807), (1080, 289666), (1170, 267384), (1352, 231390), (1404, 222820), (1521, 205680), (1560, 200538), (1690, 185112), (1714, 182520), (1755, 178256), (1872, 167115), (2028, 154260), (2160, 144833), (2340, 133692), (2535, 123408), (2571, 121680), (2704, 115695), (2808, 111410), (3042, 102840), (3120, 100269), (3380, 92556), (3428, 91260), (3510, 89128), (4056, 77130), (4285, 73008), (4563, 68560), (4680, 66846), (5070, 61704), (5142, 60840), (5616, 55705), (6084, 51420), (6760, 46278), (6856, 45630), (7020, 44564), (7605, 41136), (7713, 40560), (8112, 38565), (8570, 36504), (9126, 34280), (9360, 33423), (10140, 30852), (10284, 30420), (11141, 28080), (12168, 25710), (12855, 24336), (13520, 23139), (13712, 22815), (14040, 22282), (15210, 20568), (15426, 20280), (17140, 18252)]