42989940

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{223}}^1$

素因数の和:268

約数の個数: 240

約数和(自身を含む): 163924992

約数和(自身を除く): 120935052

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 20, 21, 27, 28, 30, 34, 35, 36, 42, 45, 51, 54, 60, 63, 68, 70, 81, 84, 85, 90, 102, 105, 108, 119, 126, 135, 140, 153, 162, 170, 180, 189, 204, 210, 223, 238, 252, 255, 270, 306, 315, 324, 340, 357, 378, 405, 420, 446, 459, 476, 510, 540, 567, 595, 612, 630, 669, 714, 756, 765, 810, 892, 918, 945, 1020, 1071, 1115, 1134, 1190, 1260, 1338, 1377, 1428, 1530, 1561, 1620, 1785, 1836, 1890, 2007, 2142, 2230, 2268, 2295, 2380, 2676, 2754, 2835, 3060, 3122, 3213, 3345, 3570, 3780, 3791, 4014, 4284, 4460, 4590, 4683, 5355, 5508, 5670, 6021, 6244, 6426, 6690, 6885, 7140, 7582, 7805, 8028, 9180, 9366, 9639, 10035, 10710, 11340, 11373, 12042, 12852, 13380, 13770, 14049, 15164, 15610, 16065, 18063, 18732, 18955, 19278, 20070, 21420, 22746, 23415, 24084, 26537, 27540, 28098, 30105, 31220, 32130, 34119, 36126, 37910, 38556, 40140, 42147, 45492, 46830, 48195, 53074, 56196, 56865, 60210, 64260, 68238, 70245, 72252, 75820, 79611, 84294, 90315, 93660, 96390, 102357, 106148, 113730, 120420, 126441, 132685, 136476, 140490, 159222, 168588, 170595, 180630, 192780, 204714, 210735, 227460, 238833, 252882, 265370, 280980, 307071, 318444, 341190, 361260, 398055, 409428, 421470, 477666, 505764, 511785, 530740, 614142, 632205, 682380, 716499, 796110, 842940, 955332, 1023570, 1194165, 1228284, 1264410, 1432998, 1535355, 1592220, 2047140, 2149497, 2388330, 2528820, 2865996, 3070710, 3582495, 4298994, 4776660, 6141420, 7164990, 8597988, 10747485, 14329980, 21494970, 42989940]

約数ペア:

[(1, 42989940), (2, 21494970), (3, 14329980), (4, 10747485), (5, 8597988), (6, 7164990), (7, 6141420), (9, 4776660), (10, 4298994), (12, 3582495), (14, 3070710), (15, 2865996), (17, 2528820), (18, 2388330), (20, 2149497), (21, 2047140), (27, 1592220), (28, 1535355), (30, 1432998), (34, 1264410), (35, 1228284), (36, 1194165), (42, 1023570), (45, 955332), (51, 842940), (54, 796110), (60, 716499), (63, 682380), (68, 632205), (70, 614142), (81, 530740), (84, 511785), (85, 505764), (90, 477666), (102, 421470), (105, 409428), (108, 398055), (119, 361260), (126, 341190), (135, 318444), (140, 307071), (153, 280980), (162, 265370), (170, 252882), (180, 238833), (189, 227460), (204, 210735), (210, 204714), (223, 192780), (238, 180630), (252, 170595), (255, 168588), (270, 159222), (306, 140490), (315, 136476), (324, 132685), (340, 126441), (357, 120420), (378, 113730), (405, 106148), (420, 102357), (446, 96390), (459, 93660), (476, 90315), (510, 84294), (540, 79611), (567, 75820), (595, 72252), (612, 70245), (630, 68238), (669, 64260), (714, 60210), (756, 56865), (765, 56196), (810, 53074), (892, 48195), (918, 46830), (945, 45492), (1020, 42147), (1071, 40140), (1115, 38556), (1134, 37910), (1190, 36126), (1260, 34119), (1338, 32130), (1377, 31220), (1428, 30105), (1530, 28098), (1561, 27540), (1620, 26537), (1785, 24084), (1836, 23415), (1890, 22746), (2007, 21420), (2142, 20070), (2230, 19278), (2268, 18955), (2295, 18732), (2380, 18063), (2676, 16065), (2754, 15610), (2835, 15164), (3060, 14049), (3122, 13770), (3213, 13380), (3345, 12852), (3570, 12042), (3780, 11373), (3791, 11340), (4014, 10710), (4284, 10035), (4460, 9639), (4590, 9366), (4683, 9180), (5355, 8028), (5508, 7805), (5670, 7582), (6021, 7140), (6244, 6885), (6426, 6690)]