30481680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{241}}^1$

素因数の和:305

約数の個数: 160

約数和(自身を含む): 103707648

約数和(自身を除く): 73225968

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 31, 34, 40, 48, 51, 60, 62, 68, 80, 85, 93, 102, 120, 124, 136, 155, 170, 186, 204, 240, 241, 248, 255, 272, 310, 340, 372, 408, 465, 482, 496, 510, 527, 620, 680, 723, 744, 816, 930, 964, 1020, 1054, 1205, 1240, 1360, 1446, 1488, 1581, 1860, 1928, 2040, 2108, 2410, 2480, 2635, 2892, 3162, 3615, 3720, 3856, 4080, 4097, 4216, 4820, 5270, 5784, 6324, 7230, 7440, 7471, 7905, 8194, 8432, 9640, 10540, 11568, 12291, 12648, 14460, 14942, 15810, 16388, 19280, 20485, 21080, 22413, 24582, 25296, 28920, 29884, 31620, 32776, 37355, 40970, 42160, 44826, 49164, 57840, 59768, 61455, 63240, 65552, 74710, 81940, 89652, 98328, 112065, 119536, 122910, 126480, 127007, 149420, 163880, 179304, 196656, 224130, 245820, 254014, 298840, 327760, 358608, 381021, 448260, 491640, 508028, 597680, 635035, 762042, 896520, 983280, 1016056, 1270070, 1524084, 1793040, 1905105, 2032112, 2540140, 3048168, 3810210, 5080280, 6096336, 7620420, 10160560, 15240840, 30481680]

約数ペア:

[(1, 30481680), (2, 15240840), (3, 10160560), (4, 7620420), (5, 6096336), (6, 5080280), (8, 3810210), (10, 3048168), (12, 2540140), (15, 2032112), (16, 1905105), (17, 1793040), (20, 1524084), (24, 1270070), (30, 1016056), (31, 983280), (34, 896520), (40, 762042), (48, 635035), (51, 597680), (60, 508028), (62, 491640), (68, 448260), (80, 381021), (85, 358608), (93, 327760), (102, 298840), (120, 254014), (124, 245820), (136, 224130), (155, 196656), (170, 179304), (186, 163880), (204, 149420), (240, 127007), (241, 126480), (248, 122910), (255, 119536), (272, 112065), (310, 98328), (340, 89652), (372, 81940), (408, 74710), (465, 65552), (482, 63240), (496, 61455), (510, 59768), (527, 57840), (620, 49164), (680, 44826), (723, 42160), (744, 40970), (816, 37355), (930, 32776), (964, 31620), (1020, 29884), (1054, 28920), (1205, 25296), (1240, 24582), (1360, 22413), (1446, 21080), (1488, 20485), (1581, 19280), (1860, 16388), (1928, 15810), (2040, 14942), (2108, 14460), (2410, 12648), (2480, 12291), (2635, 11568), (2892, 10540), (3162, 9640), (3615, 8432), (3720, 8194), (3856, 7905), (4080, 7471), (4097, 7440), (4216, 7230), (4820, 6324), (5270, 5784)]