138649980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{463}}^1$

素因数の和:536

約数の個数: 192

約数和(自身を含む): 478937088

約数和(自身を除く): 340287108

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 28, 30, 31, 35, 42, 46, 60, 62, 69, 70, 84, 92, 93, 105, 115, 124, 138, 140, 155, 161, 186, 210, 217, 230, 276, 310, 322, 345, 372, 420, 434, 460, 463, 465, 483, 620, 644, 651, 690, 713, 805, 868, 926, 930, 966, 1085, 1302, 1380, 1389, 1426, 1610, 1852, 1860, 1932, 2139, 2170, 2315, 2415, 2604, 2778, 2852, 3220, 3241, 3255, 3565, 4278, 4340, 4630, 4830, 4991, 5556, 6482, 6510, 6945, 7130, 8556, 9260, 9660, 9723, 9982, 10649, 10695, 12964, 13020, 13890, 14260, 14353, 14973, 16205, 19446, 19964, 21298, 21390, 24955, 27780, 28706, 29946, 31947, 32410, 38892, 42596, 42780, 43059, 48615, 49910, 53245, 57412, 59892, 63894, 64820, 71765, 74543, 74865, 86118, 97230, 99820, 100471, 106490, 127788, 143530, 149086, 149730, 159735, 172236, 194460, 200942, 212980, 215295, 223629, 287060, 298172, 299460, 301413, 319470, 330119, 372715, 401884, 430590, 447258, 502355, 602826, 638940, 660238, 745430, 861180, 894516, 990357, 1004710, 1118145, 1205652, 1320476, 1490860, 1507065, 1650595, 1980714, 2009420, 2236290, 2310833, 3014130, 3301190, 3961428, 4472580, 4621666, 4951785, 6028260, 6602380, 6932499, 9243332, 9903570, 11554165, 13864998, 19807140, 23108330, 27729996, 34662495, 46216660, 69324990, 138649980]

約数ペア:

[(1, 138649980), (2, 69324990), (3, 46216660), (4, 34662495), (5, 27729996), (6, 23108330), (7, 19807140), (10, 13864998), (12, 11554165), (14, 9903570), (15, 9243332), (20, 6932499), (21, 6602380), (23, 6028260), (28, 4951785), (30, 4621666), (31, 4472580), (35, 3961428), (42, 3301190), (46, 3014130), (60, 2310833), (62, 2236290), (69, 2009420), (70, 1980714), (84, 1650595), (92, 1507065), (93, 1490860), (105, 1320476), (115, 1205652), (124, 1118145), (138, 1004710), (140, 990357), (155, 894516), (161, 861180), (186, 745430), (210, 660238), (217, 638940), (230, 602826), (276, 502355), (310, 447258), (322, 430590), (345, 401884), (372, 372715), (420, 330119), (434, 319470), (460, 301413), (463, 299460), (465, 298172), (483, 287060), (620, 223629), (644, 215295), (651, 212980), (690, 200942), (713, 194460), (805, 172236), (868, 159735), (926, 149730), (930, 149086), (966, 143530), (1085, 127788), (1302, 106490), (1380, 100471), (1389, 99820), (1426, 97230), (1610, 86118), (1852, 74865), (1860, 74543), (1932, 71765), (2139, 64820), (2170, 63894), (2315, 59892), (2415, 57412), (2604, 53245), (2778, 49910), (2852, 48615), (3220, 43059), (3241, 42780), (3255, 42596), (3565, 38892), (4278, 32410), (4340, 31947), (4630, 29946), (4830, 28706), (4991, 27780), (5556, 24955), (6482, 21390), (6510, 21298), (6945, 19964), (7130, 19446), (8556, 16205), (9260, 14973), (9660, 14353), (9723, 14260), (9982, 13890), (10649, 13020), (10695, 12964)]