161438940

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1$

素因数の和:134

約数の個数: 288

約数和(自身を含む): 571838400

約数和(自身を除く): 410399460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 29, 30, 36, 39, 45, 52, 54, 58, 60, 61, 65, 78, 87, 90, 108, 116, 117, 122, 130, 135, 145, 156, 169, 174, 180, 183, 195, 234, 244, 260, 261, 270, 290, 305, 338, 348, 351, 366, 377, 390, 435, 468, 507, 522, 540, 549, 580, 585, 610, 676, 702, 732, 754, 780, 783, 793, 845, 870, 915, 1014, 1044, 1098, 1131, 1170, 1220, 1305, 1404, 1508, 1521, 1566, 1586, 1647, 1690, 1740, 1755, 1769, 1830, 1885, 2028, 2196, 2262, 2340, 2379, 2535, 2610, 2745, 3042, 3132, 3172, 3294, 3380, 3393, 3510, 3538, 3660, 3770, 3915, 3965, 4524, 4563, 4758, 4901, 5070, 5220, 5307, 5490, 5655, 6084, 6588, 6786, 7020, 7076, 7137, 7540, 7605, 7830, 7930, 8235, 8845, 9126, 9516, 9802, 10140, 10179, 10309, 10614, 10980, 11310, 11895, 13572, 14274, 14703, 15210, 15660, 15860, 15921, 16470, 16965, 17690, 18252, 19604, 20358, 20618, 21228, 21411, 22620, 22815, 22997, 23790, 24505, 26535, 28548, 29406, 30420, 30927, 31842, 32940, 33930, 35380, 35685, 40716, 41236, 42822, 44109, 45630, 45994, 47580, 47763, 49010, 50895, 51545, 53070, 58812, 61854, 63684, 67860, 68991, 71370, 73515, 79605, 85644, 88218, 91260, 91988, 92781, 95526, 98020, 101790, 103090, 106140, 107055, 114985, 123708, 132327, 137982, 142740, 147030, 154635, 159210, 176436, 185562, 191052, 203580, 206180, 206973, 214110, 220545, 229970, 238815, 264654, 275964, 278343, 294060, 298961, 309270, 318420, 344955, 371124, 413946, 428220, 441090, 459940, 463905, 477630, 529308, 556686, 597922, 618540, 620919, 661635, 689910, 827892, 882180, 896883, 927810, 955260, 1034865, 1113372, 1195844, 1241838, 1323270, 1379820, 1391715, 1494805, 1793766, 1855620, 2069730, 2483676, 2646540, 2690649, 2783430, 2989610, 3104595, 3587532, 4139460, 4484415, 5381298, 5566860, 5979220, 6209190, 8071947, 8968830, 10762596, 12418380, 13453245, 16143894, 17937660, 26906490, 32287788, 40359735, 53812980, 80719470, 161438940]

約数ペア:

[(1, 161438940), (2, 80719470), (3, 53812980), (4, 40359735), (5, 32287788), (6, 26906490), (9, 17937660), (10, 16143894), (12, 13453245), (13, 12418380), (15, 10762596), (18, 8968830), (20, 8071947), (26, 6209190), (27, 5979220), (29, 5566860), (30, 5381298), (36, 4484415), (39, 4139460), (45, 3587532), (52, 3104595), (54, 2989610), (58, 2783430), (60, 2690649), (61, 2646540), (65, 2483676), (78, 2069730), (87, 1855620), (90, 1793766), (108, 1494805), (116, 1391715), (117, 1379820), (122, 1323270), (130, 1241838), (135, 1195844), (145, 1113372), (156, 1034865), (169, 955260), (174, 927810), (180, 896883), (183, 882180), (195, 827892), (234, 689910), (244, 661635), (260, 620919), (261, 618540), (270, 597922), (290, 556686), (305, 529308), (338, 477630), (348, 463905), (351, 459940), (366, 441090), (377, 428220), (390, 413946), (435, 371124), (468, 344955), (507, 318420), (522, 309270), (540, 298961), (549, 294060), (580, 278343), (585, 275964), (610, 264654), (676, 238815), (702, 229970), (732, 220545), (754, 214110), (780, 206973), (783, 206180), (793, 203580), (845, 191052), (870, 185562), (915, 176436), (1014, 159210), (1044, 154635), (1098, 147030), (1131, 142740), (1170, 137982), (1220, 132327), (1305, 123708), (1404, 114985), (1508, 107055), (1521, 106140), (1566, 103090), (1586, 101790), (1647, 98020), (1690, 95526), (1740, 92781), (1755, 91988), (1769, 91260), (1830, 88218), (1885, 85644), (2028, 79605), (2196, 73515), (2262, 71370), (2340, 68991), (2379, 67860), (2535, 63684), (2610, 61854), (2745, 58812), (3042, 53070), (3132, 51545), (3172, 50895), (3294, 49010), (3380, 47763), (3393, 47580), (3510, 45994), (3538, 45630), (3660, 44109), (3770, 42822), (3915, 41236), (3965, 40716), (4524, 35685), (4563, 35380), (4758, 33930), (4901, 32940), (5070, 31842), (5220, 30927), (5307, 30420), (5490, 29406), (5655, 28548), (6084, 26535), (6588, 24505), (6786, 23790), (7020, 22997), (7076, 22815), (7137, 22620), (7540, 21411), (7605, 21228), (7830, 20618), (7930, 20358), (8235, 19604), (8845, 18252), (9126, 17690), (9516, 16965), (9802, 16470), (10140, 15921), (10179, 15860), (10309, 15660), (10614, 15210), (10980, 14703), (11310, 14274), (11895, 13572)]